1. Material: high carbon tool steel 2. Application: installation/removal tool for bicycle square hole center axle 3. Applicable: All kinds of square hole center shafts and shaft caps with 20 teeth can be used 4. Treatment: hardened by heat treatment, easy to use 5. Durable and not easy to break 6. Dimensions: 5x2.9x2.9 cm 7. Weight: 100 grams
