the handle surface have ,non-slip and durable watch repair tools,high quality and unique appearance,The base has four threaded holes,good stability system allows dies to snap on and off quickly The exclusive straight wall dies will not scratch or mar crystals High quality compression spring, longer service life,Prefect watch press for closing snap back type watch-cases Professional and precision watch repair tool kit set is great for starting watch repair. This watch repair tools helps you get your watch problem done instead of going for watch repair shops Made of cast metal to strength, can press closer enough to your watch. Face down configuration means the repair person sees the case back being closed. Product weight:600g colour:Black Material: iron+ ABS size:Use for diameter 50/48 mm 46/44 mm 42/40 mm 38/36 mm 34/33 mm 32/31 mm 30/28 mm 26/24 mm 23/21 mm 20/18 mm Watch case. Package Contents: 1 x watch press machine 12 x dies 1 x glasses cloth 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.