
Excel Blades K18
Score: 75/100
OLFA 28mm Rotary Cutter
Score: 80/100Rankings

The OLFA 28mm RTY-1/C Quick-Change Rotary Cutter is a compact, ambidextrous tool designed for precision cutting in quilting, sewing, and crafts. It features a 28 mm tungsten steel blade and a sliding lock mechanism for safe, easy blade changes without loose parts. It is best suited for quilters, sewists, and crafters who require precision on small-scale projects, intricate fabric cuts, tight corners, narrow strips, and template or pattern work for miniatures.

The Excel Blades K18 is a precision craft knife manufactured in the USA, featuring a lightweight aluminum body with a cushioned soft grip handle for enhanced comfort and control. It includes a #11 double honed blade and a shatter-resistant safety cap, designed for detailed cutting tasks across various materials. It is ideal for graphic artists and hobbyists requiring precision cutting for paper, card-stock, and foam.
| Attribute | ![]() | ![]() |
|---|---|---|
6.35 mmbest | — | |
| ↓ lower better | 36.3 gbest | 45 g |
230.1 mmbest | 220 mm | |
0best | — |
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| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(3) | ||
Blade Type | #11 | 28mm Rotary |
Blade Material | Carbon Steel | Tungsten Steel |
Compatible Blade Type | Standard #11/Xacto | RB28, PRB28 |
Handle & Ergonomics(4) | ||
Handle Material | Aluminum | Contoured Plastic |
Handle Type | Hexagonal | Ambidextrous |
Overall Length (mm) | 230.1 mm | 220 mm |
Weight (g) | 36.3 g | 45 g |
Safety & Mechanism(3) | ||
Retractable | false | true |
Locking Mechanism | Chuck Lock | Sliding Lock |
Blade Change Mechanism | Rear Release | Quick-Change Sliding Lock |
Application & Support(3) | ||
Suitable Materials | Paper, Foam, Plastic, Wood, Clay | Fabric, Paper, Leather, Rubber, Film |
Intended Use | Hobby/Craft | Quilting, Sewing, Crafts |
Warranty | 30 days | |

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Professional sources and manufacturer descriptions position the OLFA RTY-1/C as the ideal solution for intricate cuts, highlighting its unparalleled sharpness and precision. It is described as the answer for detailed work in quilting and sewing, emphasizing its ability to handle tight corners and small shapes where standard cutters fail.
There is no available consumer sentiment data, as search results contain no user reviews, testimonials, or forum discussions. Consequently, common praise or recurring themes from everyday users cannot be identified.