16pcs this watch service tool consists of of: 📍 Watch Band holder block (tool to hold Watch chain when it will be short for with in a martile wear box) 📍 Double Head-mallet (martile for knob when shortening watch chain, chain position in hold by tool no:1) 📍 Watch Pin remover (blue color tools, to shorten the chain by pressing the model chain locking pin at press) 📍 Spring Bar remover (to remove/ install spring bar from watch) 📍 Small Philips screwdriver (plus + screwdriver, to open bolts plus small) 📍 Needle Nose plier (plier plug, commonly used to pull the pin that's been out a little when shortening the chain) 📍 Medium Screwdriver Philips (plus + screwdriver, to open plus bolts) 📍 Case Wrench (to open the twist model watch back case). 📍 Sharp Tweezer (to hold small parts of the watch). 📍 11. 3pcs Slotted screwdriver (minus screwdriver -, to open minus bolts of various sizes) 📍 case Knifes (to open the press/ conkkel model watch case-back) ========================================================================================== 153 pcs Watch Repair Tool Set 📍 Punch Pin – 6 pcs (0.8mm, 0.9mm, 0.1mm) 📍 Watch Snap Spring – 108pcs. 📍 Hammer – 1pc. 📍 Large Size Case Opener – 1pc. 📍 Case Opener Pins – 18pcs. 📍 Spring Bar Tool with Scale – 1pc. 📍 Remover Pins – 7pcs. 📍 Tweezers – 1pc. 📍 Watch Back Pry Opener – 1pc. 📍 Watch Case Holder – 1pc. 📍 Watch Band Link Remover – 1pc. 📍 Watch Holder – 1pc. 📍 5-in-1 screwdriver – 1pc. 📍 Black Bag – 1pc. Material: alloy + ABS + copper + plastic + EB