Function Ideal gauge press for closing the rebound case. It is a good helper for the watchmaker. Ergonomic design, easy to operate, saves time and effort. Easy To Operate The watch clockwork repair tool is small size, easy to carry and store, light weight, will not increase your workload, easy to use, good performance, can bring you a lot of convenience. High-Quality Plastic Material The watch mainspring press barrel cover is made of high quality plastic material, durable enough for long-term use. It can bring you a lot of help when you need to repair your watch. Specification Item Type: Close Mainspring Barrel Tool Material: Plastic Function: Clockwork tool, clockwork repair tool, watch repair Diameter: Approx. 2.5cm / 1in Height: Approx. 2cm / 0.8in Package List: 1 x Close Mainspring Barrel Tool(Can Split Into 2 Halves)