
OLFA 18mm Rotary Cutter
Score: 88/100
Fiskars Detail Craft Knife
Score: 86/100Rankings

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 Fiskars SoftGrip Detail Craft Knife is an ergonomic precision tool designed for detailed crafting tasks, featuring a cushiony SoftGrip handle and a standard #11 blade. It offers excellent control for straight edges and fine details while reducing hand fatigue during extended use. While suitable for a variety of light-to-medium materials, it is not ideal for heavy-duty tasks or users who require rapid blade swapping without a learning period.
| Attribute | ![]() | ![]() |
|---|---|---|
18 mmbest | 6.35 mm | |
— | 1best | |
| ↓ lower better | 9.07 gbest | 50 g |
— | 20 degreesbest | |
140 mm | 203.2 mmbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(5) | ||
Blade Type | Rotary | Standard #11 |
Blade Width (mm) | 18 mm | 6.35 mm |
Blade Segments | 1 | |
Blade Angle (degrees) | degrees | 20 degrees |
Compatible Blade Type | RB18 | Standard #11 |
Handle & Ergonomics(4) | ||
Handle Material | Plastic | SoftGrip/Aluminum |
Handle Type | Straight | Barrel |
Overall Length (mm) | 140 mm | 203.2 mm |
Weight (g) | 9.07 g | 50 g |
Safety & Mechanism(3) | ||
Retractable | true | false |
Locking Mechanism | Twistable Gripper | |
Blade Change Mechanism | Single-Click Quick-Change | Twistable Gripper |
Application & Support(2) | ||
Suitable Materials | Fabric, Paper, Craft Materials | Paper, Cardstock, Plastic, Vinyl, Canvas, Cloth, Balsa |
Intended Use | Intricate Cutting | Detail Craft Knife |

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 sources and reviewers praise the Fiskars SoftGrip Detail Craft Knife for its precision and comfort, noting that the handle nests perfectly in the hand to improve control over straight edges and fine details. It is considered a daily essential for intricate work on fabric, paper, and vinyl, with reliability confirmed by its inclusion in art supply kits, despite a minor learning curve associated with blade changes.
Everyday users express positive sentiment regarding the knife's ergonomics and versatility, noting it handles materials like cardboard and felt effectively. Common praise centers on the comfort during extended use and the visibility/maneuverability it provides for detailed projects, with no recurring complaints about durability beyond the initial difficulty of installing blades.