
OLFA 145B
Score: 85/100
MulWark Exacto Knife Set
Score: 85/100Rankings

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 MulWark 16-Piece Precision Craft Hobby Knife Set is an exacto knife system designed for detailed work in crafting, modeling, and artistic applications. It features an ergonomic handle with 13 interchangeable SK4 hardened carbon steel blades and a protective carry case with magnetic backing. Best suited for artists, architects, and hobbyists engaged in detailed projects.
| Attribute | ![]() | ![]() |
|---|---|---|
9 mmbest | — | |
— | 13best | |
146 mm | 224 mmbest | |
0 | 13best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(3) | ||
Blade Type | Special M-shaped | Precision Craft Hobby Blades |
Blade Material | Black Coated Steel | SK4 Hardened Carbon Steel |
Blade Segments | 13 | |
Handle & Ergonomics(3) | ||
Handle Material | Composite/Plastic | Soft Rubber and ABS Plastic |
Handle Type | Medium | Ergonomic Ambidextrous |
Overall Length (mm) | 146 mm | 224 mm |
Safety & Mechanism(3) | ||
Retractable | true | false |
Blade Change Mechanism | Manual Fold | Manual Swap |
Blade Storage Capacity | 0 | 13 |
Application & Support(3) | ||
Suitable Materials | Wallpaper, Vinyl, Film, Foam | Paper, Wood, Leather, Plastic, Cloth |
Intended Use | Precision Cutting | Precision Craft and Hobby |
Included Blades | None | 13 |


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.

The search results do not contain professional editor reviews or expert commentary on this product.
Everyday users and reviewers generally appreciate the overall quality and versatility of the set. The magnetic blade backing is frequently cited as a convenient feature for storage and blade removal. While some users note minor inconveniences with blade access and concerns about tip durability, the product is viewed as suitable for continued use in various crafting projects.
“A YouTube reviewer noted appreciation for the set's overall quality and found the magnetic blade backing convenient for easy removal.”


