
OLFA 145B
Score: 85/100
Lenox Locking Tradesman
Score: 88/100Rankings

The Lenox Gold Locking Tradesman Utility Knife is a folding utility tool featuring a secure locking mechanism, ergonomic rubberized grip, and a quick-change blade system at a 45-degree angle. It includes a built-in multi-tool with a bottle opener, screwdriver, pipe reamer, and wire stripper, along with a titanium-coated Lenox Gold blade for extended durability. Ideal for tradesmen and DIY users needing a reliable daily pocket knife.

The OLFA 145B is a medium-duty utility knife designed for precision cutting of delicate materials like wallpaper and vinyl. Its key strength lies in the ultra-thin special black blade that ensures clean cuts without surface damage. It is best suited for professional wallpaper installers and detail-oriented trades needing thin, clean cuts.
| Attribute | ![]() | ![]() |
|---|---|---|
9 mm | 19 mmbest | |
| ↓ lower better | — | 159 gbest |
146 mmbest | 102 mm | |
0best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(3) | ||
Blade Type | Special M-shaped | Fixed Blade |
Blade Material | Black Coated Steel | Bi-Metal Steel with Titanium Coating |
Blade Width (mm) | 9 mm | 19 mm |
Handle & Ergonomics(4) | ||
Handle Material | Composite/Plastic | Aluminum and Rubber |
Handle Type | Medium | Ergonomic |
Overall Length (mm) | 146 mm | 102 mm |
Weight (g) | g | 159 g |
Safety & Mechanism(3) | ||
Retractable | true | false |
Locking Mechanism | Auto-Lock | Button Lock |
Blade Change Mechanism | Manual Fold | Quick Release Button |
Application & Support(4) | ||
Suitable Materials | Wallpaper, Vinyl, Film, Foam | Cardboard, General Materials |
Intended Use | Precision Cutting | Tradesman Daily Carry |
Warranty | Long Life Award | Lifetime |
Included Blades | None | 1 |



Professional reviewers categorize the OLFA 145B as a 'Medium-Duty' tool that offers durability, strength, and precision in a compact size, highlighting it as a 'must-have' for professionals.
Users praise the tool for its ability to make clean cuts on wallpaper without causing surface damage, though some note the need to purchase refill blades separately.

Professional reviewers and editors praise the knife's precision, control, and the reliability of its secure lock mechanism. The 45-degree quick-change feature is highlighted as a key efficiency tool for daily carry. However, some testers note that the handle size and lock mechanics present minor drawbacks regarding compactness and intuitive operation.
Everyday users commonly praise the comfortable grip, secure lock, and simple blade swaps, often describing it as a reliable daily work carry. Recurring complaints focus on the bulky folded size and skepticism regarding the practicality of the pipe reamer and wire stripper functions, which many find impractical for heavy use.
“daily work carry”

“cannot see using this as a pipe reamer”

“try not to use that as a wire stripper”


