1. Material: stainless steel 2. It is durable and easy to use 3. The injection-molded glossy grip feels comfortable, beautiful and durable, three-hole design 4. The sleeve has a 15mm hexagonal hole, and the 20mm and 40mm cuts are suitable for disc brake discs smaller than 20mm and 40mm, and can be used for brake disc calibration 5. Can be packed in a bag to prevent sudden bicycle accidents
