
Excel Blades K47
Score: 70/100
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 K47 is a lightweight, pen-style retractable hobby knife designed for precise cutting, scoring, and trimming tasks. It features a special top-mounted switch that acts as both a retractor and a stopper to prevent accidental retraction during use. It is best suited for architects and designers needing portable precision tools for cutting paper, film, and plastic.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 9.07 gbest | 45 g |
127 mm | 220 mmbest | |
0best | — |
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| Attribute | ![]() | ![]() |
|---|---|---|
Blade & Cutting(3) | ||
Blade Type | #65 | 28mm Rotary |
Blade Material | Carbon Steel | Tungsten Steel |
Compatible Blade Type | #65 | RB28, PRB28 |
Handle & Ergonomics(4) | ||
Handle Material | Plastic | Contoured Plastic |
Handle Type | Pen-style | Ambidextrous |
Overall Length (mm) | 127.0 mm | 220 mm |
Weight (g) | 9.07 g | 45 g |
Safety & Mechanism(2) | ||
Locking Mechanism | Lock-stop | Sliding Lock |
Blade Change Mechanism | Top-mounted | Quick-Change Sliding Lock |
Application & Support(3) | ||
Suitable Materials | Paper, Film, Plastic, Clay | Fabric, Paper, Leather, Rubber, Film |
Intended Use | Precision 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.