Features: High quality 144 pcs watch repair tools kit Adjustable Case Opener - excellent for opening waterproof cases up to 34mm Spring bar remover for strap adjustment/replacement Antimagnetic screwdriver for removing battery covers Antimagnetic stainless steel tweezers for removing and inserting batteries 6 watch strap spring-pins each of size Comes with a carrying case Diameter of Peg of Strap Spring Pin: 1. 5mm Carrying Case: 20cm x 10.5cm x 5cm Net weight:546g Weight:606g Package includs: 1x Watch Case Holder(for watch case 10-45mm diameter ) 1x Adjustable Case Opener 18x Adjustable Case Opener Pins 1x Watch Case Opener Knife 1x Stainless Steel Tweezers 1x Spring Bar Tool 2x Spring Bar Tool Spare Tips 108x Watch Strap Spring pins 1x Link Remover 3x Link Remover Spare Pins 1x Watch back pry opener (with yellow ergo handle) 3x Precision Anti-magnetic Screwdrivers (1.2mm, 1.4mm, 1.6mm) 1x Carrying Case