Description: Made of high quality Chromium vanadium steel and plastic material, durable and high precision. Perfect for opening watch backs, watchband adjustment, changing watch batteries, gaskets, adjusting bands etc. A: Functional: Watch repair kit is great for opening the back of the watch, replace the watch battery, adjust the strap, gaskets and other common needs. Easy to store and carry : Come with a carrying case for the sake of convenient storage, easy to take care of them and get the job done by anywhere. 17pcs/set: 1 x Long Nose Pliers, 1 x Cleaning Towel, 1 x Metal Hammer, 1 x Watchband Link Pin Remover, 1 x Watchband Holder, 1 x Tweezers, 1 x Case Cutter, 1 x Backing Opener, 1 x Case Wrench, 3 x Slotted Screwdrivers, 2 x Phillips Screwdrivers, 3 x Pin Punches. B: Can be set in different positions for different size cases. Complete watch repair tool, good helper to your watch. Small, clean and functional, this watch repair tool kit helps you get your watch problem done at home instead of going for watch repair shops. 34pcs/set: 1 * Watch Strap Remover, 1 * Watch Strap Remover Base, 1 * Three-jaw Watch Case Opener, 1 * Stainless Steel Tweezer, 3 * Slot Type Screwdriver (1.0mm / 1.2mm / 1.4mm), 3 * Pin Punch (0.8mm / 0.9mm / 1.0mm), 1 * Metal Hammer, 1 * Double Head Spring Bar Batch, 1 * Red Pliers, 1 * Black Cross Screwdriver, 1 * Red Cross Screwdriver, 1 * Blue Watch Back Case Opener, 18 * Three-jaw Case Opener Teeth. Specifications: Material: Chromium vanadium steel, plastic. Color: show as pictures. Case size: 20.5*10*4.5cm. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Include: 1 * 17pcs Watch Repair Tools Set (as picture shows). 1 * 34pcs Watch Repair Tools Set (as picture shows).