
OLFA 145B
Score: 85/100
Beaditive Detail Craft Knife
Score: 78/100Rankings

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.

The Beaditive High Precision Detail Craft Knife is a utility knife designed for intricate cutting in art, crafts, and model making, featuring a 30-degree blade angle for sharp, clean edges. It includes an ergonomic plastic handle with a top-mounted auto-lock slider and bundles with multiple blades. It is best suited for hobbyists and professionals in art and crafts needing high-precision cuts on materials such as paper and balsa wood.
| Attribute | ![]() | ![]() |
|---|---|---|
9 mmbest | — | |
| ↓ lower better | — | 32 gbest |
— | 30 degreesbest | |
146 mmbest | — | |
0 | 20best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(5) | ||
Blade Type | Special M-shaped | Snap-off |
Blade Material | Black Coated Steel | High Carbon Steel |
Blade Width (mm) | 9 mm | mm |
Blade Angle (degrees) | degrees | 30 degrees |
Compatible Blade Type | Olfa Medium Special Black | Standard Snap-off |
Handle & Ergonomics(4) | ||
Handle Material | Composite/Plastic | Plastic |
Handle Type | Medium | Triangle |
Overall Length (mm) | 146 mm | mm |
Weight (g) | g | 32 g |
Safety & Mechanism(2) | ||
Blade Change Mechanism | Manual Fold | Snap-off |
Blade Storage Capacity | 0 | 10-30 |
Application & Support(4) | ||
Suitable Materials | Wallpaper, Vinyl, Film, Foam | Paper, Vinyl, Plastic, Fabric |
Intended Use | Precision Cutting | Detail Craft |
Warranty | Long Life Award | Satisfaction Guarantee |
Included Blades | None | 10-30 |

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

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.




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