1. Insert the cutter head in the middle of the gap between the cutter head, and properly tighten the cutter head nut, then it can be used. 2. The holding method is the same as holding a pen, and the force should be appropriate. 3. Handle Length:12 cm. 4. Color: Silver. 5. Note: Because the blade is very sharp, do not let children touch it. 6. Material: Aluminum.
