Watch Repair Kit contains 1pcs tweezers,1pcs screwdrive with 5pcs spare head of the screwdriver (not magnetic),1pcs case knife, 1pcs watch back case opener, 1pcs watch case holder, 1pcs spring bar tool, 20pcs spring bars(size:16/18/20/22/24mm,4pcs each),1pcs watch press tool with 12 moulds,2pcs cleaning cloth.Which solves most watch repair requirements like opening/closing watch backs, watch band replacement, changing watch batteries, watch cleaning& maintenance, replacing a watch crystal, etc. Watch case knife is used for the watch case with a pry opening; Watch back case opener is used for watch cases with grooves, the watch back case opener can be used from 0.5-2.28inch(13-58mm), and the caliper spacing can be set by rolling the adjustment wheel to fit the grooves of your case; Screwdriver is used for watch case which is fixed by screws, the cover at of the screwdriver can be opened, the 5pcs spare head of the screwdriver is placed inside the screwdriver handle. This set of tools is equipped with 12 , suitable for circular dials with diameters between 18 millimeters and 50 millimeters. Compared with ordinary angled watch press tools, our watch press tools use vertical downward pressure, so that the power arm and the lever are in a straight line, which can maximize the downward pressure; also, the vertical lever can minimize the resistance, which makes our tools more energy-saving. The watch tool adopts 304 stainless steel and sturdy high quality hard plastic body, the watch press is made of cast iron, which makes it more strong, durable and convenient with a longer using lifespan. A penny saved is a penny earned, watch repair kit help you solve your watch problem instead of going for Watch & Jewelry store, save costly spend.Don' forget that we offer 24 months support to replace defective items. Colour:As Shown Material:Metal Package Contents: 1 set x Watch Repair Kit 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.