1. The spiral fixed connection does not loosen 2. The aluminum alloy non-slip handle does not make you tired after holding it for a long time 3. The blade is narrow and straight, sharp and durable 4. The 10-degree double-layer blade opening is sharp for cutting, shaving and engraving 5. With five blades, it is tough, sharp and durable 6. Application: glue removal/carving/cutting/carton cutting 7. Weight: about 13g
