OLFA 18mm Rotary Cutter
Score: 88/100
OLFA 145B
Score: 85/100Rankings
The OLFA RTY-4 is the smallest rotary cutter in the brand's lineup, featuring an 18mm blade designed specifically for intricate and detailed cutting tasks. It offers a quick-change blade mechanism and an ergonomic straight handle, making it ideal for precision work in quilting and crafts. It is best suited for quilters and crafters needing precision on small-scale projects.
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 | | |
|---|---|---|
18 mmbest | 9 mm | |
| ↓ lower better | 9.07 gbest | — |
140 mm | 146 mmbest | |
— | 0best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Blade & Cutting(4) | ||
Blade Type | Rotary | Special M-shaped |
Blade Material | Stainless Steel | Black Coated Steel |
Blade Width (mm) | 18 mm | 9 mm |
Compatible Blade Type | RB18 | Olfa Medium Special Black |
Handle & Ergonomics(4) | ||
Handle Material | Plastic | Composite/Plastic |
Handle Type | Straight | Medium |
Overall Length (mm) | 140 mm | 146 mm |
Weight (g) | 9.07 g | g |
Safety & Mechanism(3) | ||
Locking Mechanism | Auto-Lock | |
Blade Change Mechanism | Single-Click Quick-Change | Manual Fold |
Blade Storage Capacity | 0 | |
Application & Support(4) | ||
Suitable Materials | Fabric, Paper, Craft Materials | Wallpaper, Vinyl, Film, Foam |
Intended Use | Intricate Cutting | Precision Cutting |
Warranty | Lifetime | Long Life Award |
Included Blades | 1 | None |
Products in the top-left offer the best value (high score, low price).
Product testing with quilting, sewing, and craft instructors awarded the OLFA RTY-4 an A+ for intricate cutting tasks such as curved quilting, appliqué, template work, and scrapbooking.
Manufacturer and retailer descriptions emphasize reliability in professional testing, with no user feedback cited.
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.
