ITEM NAME:147Pcs Watchmaker Watch Repair Tool Kit Back Case Opener Remover Spring Pin Bar Descriptio n Description: Features: 100% brand new and high quality 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. Portable handy box set design, easy to carry. Small, lightweight, easy to use and durable. Complete watch repair tool, good helper to your watch. Can be set in different positions for different size cases. Specification: Material: Chrome-Vanadium Steel Storage Case size: 20.5x10x4.5cm(8.07x3.94x1.77in)(approx) Color: As pictures shown. Quantity: 1 set(147pcs) Note: Transition: 1cm=10mm=0.39inch With retail package. Please allow 1-3mm error due to manual measurement..Quantity: 1 set(147pcs). 1 x Stainless Steel Tweezer. Adjustable Case Opener - excellent for opening waterproof cases up to 34mm. Antimagnetic screwdriver for removing battery covers. 1 x Adjustable Case Opener.