Features:
144pcs watch repair DIY tool kit in a handy carry case with a secure zip closure.
High quality 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.
 Stainless steel tweezers for removing and inserting batteries.

Specifications:
Watch Strap Spring Pin Size: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 and 25mm
Diameter of Peg of Strap Spring Pin: 1. 5mm / 0.059in
Carrying Case: 20 * 10 * 4.5cm / 7.8 * 3.9* 1.8in
Weight: 554g / 19.53oz

Package List:
1 * Case Opener
18 * Case Opener Pins
1 * Watch Case Opener Knife
1 * Stainless Steel Tweezers
1 * Spring Bar Tool
2 * Spring Bar Tool Spare Tips
108 * Watch Strap Spring pins
1 * Link Remover
3 * Link Remover Spare Pins
1 * Watch Case Holder
1 * Watch back pry opener
3 * Precision Anti-magnetic Screwdrivers (1.2mm / 0.048, 1.4mm / 0.058in, 1.6mm / 0.066in) 
3 * Pin Punches (0.8mm / 0.031in, 0.9mm /0.035in, 1.0mm / 0.039in)
1 * Carrying Case