
BLACK+DECKER BDL220S
Score: 65/100
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 BLACK+DECKER BDL220S is a compact line laser designed for indoor DIY tasks like hanging pictures, featuring a 360-degree rotating wall attachment. Its primary limitation is the lack of true self-leveling capabilities, requiring manual bubble alignment. It is best suited for casual users performing light decor tasks in small spaces.
| Attribute | ![]() | ![]() |
|---|---|---|
7 inches | 9 inchesbest | |
2 | 3best | |
2.6 inchesbest | 1.8 inches | |
6.5 inchesbest | 0.75 inches | |
| ↓ lower better | 0.44 lbsbest | 0.7 lbs |
2 yearsbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Performance & Accuracy(1) | ||
Accuracy | ±3 mm at 10 feet | 0.029 degrees |
Dimensions & Size(4) | ||
Length (inches) | 7.0 inches | 9 inches |
Width (inches) | 2.6 inches | 1.8 inches |
Height (inches) | 6.5 inches | 0.75 inches |
Weight (lbs) | 0.44 lbs | 0.7 lbs |
Build & Durability(1) | ||
Frame Material | Plastic/Metal | Aluminum |
Warranty & Support(1) | ||
Warranty Period (years) | 2 years | Lifetime years |
Features & Functionality(4) | ||
Vial Count | 2 | 3 |
Level Type | Line Laser | Torpedo Level |
Magnetic Base | false | true |
V-Groove | false | true |
Power & Electronics(1) | ||
Power Source | AA Batteries | Battery |

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

Professional reviewers acknowledge the tool's utility for basic DIY hanging tasks but strongly criticize the 'self-leveling' label as deceptive because the device lacks a pendulum.
Everyday users generally find the device simple and effective for hanging decor, but recurring complaints focus on the misleading 'self-leveling' marketing and short range.

“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.