Klein Tools 935AB4V Pocket Level – 0/30/45/90 Reference Tool for HVAC Techs Setting Refrigerant Line Slopes
Klein Tools 935AB4V Pocket Level – 0/30/45/90 Reference Tool for HVAC Techs Setting Refrigerant Line Slopes
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Why you'll love it
- Patented magnet track keeps rare-earth magnets from falling out, protecting the investment and the jobsite
- Thumb screw frees both hands so the user can read the vial while actively bending conduit
- Four vials (0/30/45/90) cover every standard bend offset a bender needs in one compact tool
- High-visibility orange body is impossible to lose in conduit racks, scissor lifts, or dirt
- Klein's 160-plus-year reputation signals a tool built to survive daily professional abuse
- V-groove hugs round stock so the level stays put on pipe and conduit without sliding
Perfect for
- Bending conduit at precise 30, 45, and 90 degree offsets without dog legs
- Measuring slope angle on drainage pipe while hands are occupied with a bender
- Hands-free level checks on steel strut, junction boxes, and metal studs
- Verifying plumb and level of panel boards and electrical enclosures during install
- Pocket-carrying a go-to reference level between tasks on a busy jobsite
About Klein Tools
As an American manufacturer of hand tools for more than 160 years, Klein Tools makes premium-quality, professional-grade tools that deliver performance, durability and precision. Our team continues to put six generations of expertise into each tool by using the highest quality materials and superior workmanship.
Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day … Since 1857.
Level, 6-Inch Magnetic Torpedo and Conduit Level with 0/30/45/90 Degree Vials, V-Groove and Magnet Track, High Visibility Orange
The Klein Tools 6.25-Inch Accu-Bend Aluminum Billet level is designed for effective leveling on and off the construction site. The patented Magnet Track keeps the powerful Rare-Earth magnets secure and ensures that they won't fall out. This leveler also includes large, easy-to-read vials and vial windows for easy viewing at any angle
- Level with patented magnet track prevents powerful Rare-Earth magnets from falling out
- Thumb screw attaches level to conduit to measure angle while bending
- Large, easy-to-read high-visibility vials at 4 angles: level, 90, 45, and 30 degrees
- Large top-view vial windows enable easy readability from multiple angles
- High-visibility orange professional grade billet aluminum body is easy to see on conduit and at the jobsite
- V-Groove fits contour of conduit and pipe
- US Patent 9,964,407
FEATURES
Level eliminates dog legs in conduit and pipe while bending
Conduit Level with high-visibility orange body is easy to see
Aluminum Torpedo Level has 4 vials with +/- 0.029° accuracy
Product Information
PATENTED MAGNET TRACK: Level features a patented magnet track that prevents powerful Rare-Earth magnets from falling out during use THUMB SCREW ATTACHMENT: Thumb screw allows for easy attachment of the level to conduit, enabling measurement of angles while bending EASY-TO-READ VIALS: Large, high-visibility vials at 4 angles (level, 90, 45, and 30 degrees) ensure easy and accurate readings TOP-VIEW VIAL WINDOWS: Large top-view vial windows provide convenient readability from multiple angles HIGH-VISIBILITY ORANGE BODY: Professional-grade billet aluminum body in high-visibility orange is easily visible on conduit and at the jobsite V-GROOVE DESIGN: The level's V-groove is designed to fit the contour of round surfaces like conduit and pipe more securely TAPERED NOSE: The level's tapered nose makes it easy to push into pockets, ensuring convenient storage and accessibility
Klein's ACCU-BEND Magnetic Level helps eliminate dog legs and make conduit bending easier. Powerful Rare-Earth magnets with patented magnet track secure the level to any metal surface. The thumb screw attaches level to conduit to measure angles while bending. Large top-view vial windows are easy to ready from a variety of angles. High-visibility orange makes this level easy to find on the job site. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right. Our family of engineers, workers and craftsman continue to put six generations of expertise into every tool we create by using only the highest quality materials, superior workmanship, and keeping manufacturing as close to home as we can. Klein isn't just the name of our company, it's also our family name. And since we're an American company that's family-owned and family-run, you know you can count on us to be here tomorrow. Klein Tools doesn't just make great products, we make great products that stand up to the demands of the professionals who use them every day ... Since 1857.
Frequently Asked Questions
Will the four-vial layout actually help me bend conduit faster than my old torpedo level?
Yes. The Klein 935AB4V puts 0, 30, 45, and 90 degree vials in a single 6-inch body, so you can read an offset, a rolling offset, and a saddle without swapping tools or flipping the level mid-bend. Most electricians find this replaces two or three reference steps per bend on a typical rough-in day.
Does the thumb screw really keep both of my hands free during a bend?
It does. The thumb screw locks the level directly to the EMT or rigid conduit, freeing your support hand to brace the bender and your dominant hand to apply leverage. You can watch the vial settle as you pressure the bend, which removes the back-and-forth of clamping, checking, and re-clamping.
How does the V-groove speed up pipe work versus a flat-backed level?
A flat level can skate on round stock and force you to hold it in place while reading. The V-groove on the 935AB4V seats into the curvature of pipe and conduit, so the tool self-centers and stays put without you chasing it across the stock.
Can I read the vial from above while the level is magnetized to a junction box?
Yes. The top-view vial windows are oversized, so you can sight straight down at the bubble while the rare-earth magnets hold the level to a steel box, panel, or strut. This is the configuration most apprentices and journeymen use when squaring an enclosure in a tight ceiling cavity.
Will pocket-carrying a 6-inch level actually save time on a busy jobsite?
It tends to. The tapered nose slips into a back pocket or tool belt, and at 6 inches the level is short enough to stay put during climbs and lifts. Crews that standardize on a pocket torpedo report fewer trips back to the gang box for a layout reference between tasks.
Is this a good first level to buy as a brand-new apprentice?
Yes, the 935AB4V is one of the most common first-year apprentice purchases because it covers the four bend angles you will use in trade school labs and on your first residential rough-ins. Many instructors specify it directly.
Will this help me hit a consistent 1/4 inch per foot slope on a drain line?
It can. The 0 degree vial with the V-groove seated on the pipe gives you a stable reference while you measure rise over run, and the high-visibility orange body means you can spot the tool on a muddy trench bottom without fishing for it.
Is the bubble easy to read under low light in a basement or attic?
The vials are high-visibility with clear fluid and a high-contrast green bubble, which holds up in dim basement ceilings and attic duct runs. It will not glow in total darkness, but it reads well in most realistic jobsite lighting.
How much time does the magnet track actually save during panel installation?
On a panel squaring or enclosure plum check, the rare-earth magnet track holds the level to the steel enclosure so you can read the vial and drive fasteners in the same motion. That removes a clamp or a second pair of hands and tends to shave minutes off each panel mount.
Does the tapered nose really make pocket carry practical day after day?
It does. The nose is shaped to slide into a back pocket or a Klein tool belt pouch without snagging, and the level is light enough to disappear on your hip until you need it. Crews that adopt it usually stop setting it on the cart between tasks.
How do I check calibration on the Klein 935AB4V before I start a job?
Set the level on a flat surface, note the bubble, then rotate the level 180 degrees on the same surface. If the bubble settles in the same position, the 0 degree vial is calibrated. Repeat the flip test on a known plumb surface to verify the 90 degree vial.
How do I attach the level to conduit for a hands-free bend?
Seat the V-groove against the conduit, snug the thumb screw until the level is locked to the pipe, and read the vial directly. Release the thumb screw to move the level between offset, rolling offset, and saddle positions.
What is the best way to store the level so the magnets stay strong?
Store the level in a tool bag, pouch, or drawer away from constant heat sources, and keep the magnet track free of metal shavings. Wiping the track with a dry cloth at the end of the day protects both the magnets and the calibration.
Does this level work with both EMT and rigid conduit sizes?
Yes. The V-groove seats cleanly on EMT from 1/2 inch up to 1-1/4 inch and on standard rigid conduit, and the thumb screw bites into the larger sizes for hands-free bending.
Will the magnets work on stainless steel or aluminum enclosures?
Rare-earth magnets do not grip non-ferrous metals like stainless steel or aluminum, so on those surfaces you will want to use the V-groove or the thumb screw rather than relying on the magnetic track.
What is included in the box when I order the 935AB4V?
The level ships in Klein retail packaging with the 6-inch magnetic torpedo level itself. No batteries, calibration certificates, or accessories are required, and there is nothing to assemble out of the box.
How durable is this level under daily jobsite abuse?
The billet aluminum body is built to survive drops onto concrete, scuffs in tool bags, and the temperature swings of attic and rooftop work. Like any precision level, a hard impact can knock calibration off, so it is worth re-checking after any serious fall.
Is the level waterproof or just water resistant?
The level is built to handle rain, dew, and jobsite washdowns, but it is not a sealed submersion-rated instrument. After heavy exposure, dry it off and store it in a pouch to keep the vials clear and the magnet track clean.
What is the difference between a torpedo level and a standard box-beam level?
A torpedo level is a short, pocket-sized level designed for layout, bend angles, and pipe work, while a standard box-beam level is a longer 24 to 48 inch level used for framing, cabinetry, and long runs. The 935AB4V is a torpedo built specifically for the bending offsets a tradesperson hits all day.
