Features: The push-in type rear cover (bottom cover) push-in type watch usually has a small special mouth at the 9-position or 11-point back cover position of the bottom cover. Or some watches have 6 notches and a knives mouth, which is a false screw bottom, which is also open. Note: Many models of watches have a back cover at 1 o'clock. How to use: Place the file in a special mouth and push it out. Prevent slipping: Please wrap the watch with a piece of cotton cloth to prevent slipping in the hand, and stick a transparent tape at the edge of to prevent the bottom cover from being scratched. Feature: Product Name: Repair Tool Item Type: Repair Tools & Kits Type: Tools Color: red + yellow Material: alloy steel Product Name: Repairing the sickle Package Contents: 20 x Watch Tool set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.