Specification: Adjustable screw back case opener suitable for watches with diameter of 15mm~37mm. Adjustable case holder suitable for watches with diameter of 20mm~43mm. 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 Diameter of Peg of Strap Spring Pin: 1. 5mm Watch Strap Spring Pin Size: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 and 25mm Comes with a carrying case: 20cm x 10.5cm x 5cm (L*W*H) Package included: 1 x Adjustable Case Opener 18 x Adjustable Case Opener Pins 1 x Watch Case Opener Knife 1 x Stainless Steel Tweezer 1 x Spring Bar Tool 2 x Spring Bar Tool Spare Tips 108 x Watch Strap Spring pins 1 x Hammer 1 x Link Remover 5 x Link Remover Spare Pins (1x1.24x0.8) 1 x Watch Case Holder (for watch case 20mm~43mm diameter) 1 x Watch back pry opener (with yellow ergo handle) 3 x Precision Anti-magnetic Screwdrivers (1.2mm, 1.4mm, 1.6mm) 3 x Pin Punches (0.8mm, 0.8mm, 0.9mm) 1 x Carrying Case About JELEGAN: JELEGAN Amazon seller, was established in 2016, actively research and develop high-quality products, and providing excellent services. The company has developed a number of own-brand products, to provide consumers with more choice, customers' satisfaction is our pursuit. About Returns Policy and Our Services: 1. If you have any questions, please leave us a message via e-mail, we will reply to you within 24 hours. 2. If you are not satisfied with our products, please contact us and we will solve your problem ASAP, and make you satisfied.