
Klein Tools 935AB4V Magnetic Torpedo Level
Score: 88/100
Klein Tools 935RBLT Lighted Torpedo Level
Score: 92/100Rankings

The Klein Tools 935RBLT is a 9-inch magnetic lighted torpedo billet level constructed from professional-grade aluminum with a high-visibility orange finish. It features rare-earth magnets with a patented secure track, three LED-illuminated vials for multi-angle readability, and a V-groove for round surfaces. Best suited for professional tradespeople working in low-light or demanding jobsite conditions.

The Klein Tools 935AB4V is a 6.25-inch ACCU-BEND magnetic torpedo level designed for electricians and tradespeople to achieve precise leveling on conduit, pipe, and metal surfaces. It features a durable aluminum body, four multi-angle vials, and powerful rare-earth magnets with a patented track. Best suited for electricians and plumbers needing precise angles on pipe and conduit.
| Attribute | ![]() | ![]() |
|---|---|---|
6.25 inches | 9 inchesbest | |
4best | 3 | |
1.476 inches | 1.8 inchesbest | |
0.75 inchesbest | 0.75 inchesbest | |
| ↓ lower better | 0.36 lbsbest | 0.7 lbs |
1 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Accuracy(1) | ||
Accuracy | 0.029 | 0.029 degrees |
Dimensions & Size(3) | ||
Length (inches) | 6.25 inches | 9 inches |
Width (inches) | 1.476 inches | 1.8 inches |
Weight (lbs) | 0.36 lbs | 0.7 lbs |
Warranty & Support(1) | ||
Warranty Period (years) | 1 years | Lifetime years |
Features & Functionality(2) | ||
Vial Count | 4 | 3 |
Level Type | Torpedo | Torpedo Level |

Products in the top-left offer the best value (high score, low price).

Professional reviewers and editors praise the 935AB4V as a top-tier conduit level, highlighting its strong magnets, compact design, and multi-angle vials. Editors specifically recommend it for professional use due to its role in simplifying conduit bending.
Everyday users consistently praise the powerful magnets, accuracy, and durability of the level, noting that it stays put on conduit during bends and survives jobsite abuse. Common praise includes the compact size for pocket storage and clear vials for quick reads.

“Magnets are insanely strong-sticks to steel beams like glue”

“LED lights make it usable in crawlspaces or at night with crystal-clear vials even overhead”

“Tough as nails; survived drops and water exposure”




Professional reviewers and editors consistently praise the Klein Tools 935RBLT for its precision and build quality, awarding it top picks for magnetic torpedo levels. Experts highlight the rare-earth magnets and LED-illuminated vials as critical features for electricians and plumbers working in low-light or confined spaces.
Everyday users and consumers express high satisfaction with the product's magnetic strength and durability, frequently noting that it sticks securely to metal surfaces. Users appreciate the LED lighting for working in dark areas like crawlspaces and attics. However, recurring complaints focus on the tool's weight and thickness for pocket carry, as well as the battery consumption rate of the LED feature.