KVSERT 2 Box Repair Set Kits Strap Screws Assortment Tube Friction Pin Clasps Ends 10mm-28mm

10 different sizes from 10mm-28mm watch screw pin ,completely and Conveniently; Material: it is solid and high hardness,; It is your effective helper when you repair your watch straps or other watch accessories replacement you need; These friction pins are designed to fasten the watch , help you change watch straps and watch buckles without damaging your watch secondly; The necessary for watchmakers and watch enthusiast or people who to repair his watch by himself;