Specifications: Double-ended Hammers: Metal and Nylon Strap Holder: 2 x 2 inches Length of Hammer: 8 inches Length of Pin Punches: 2 inches Pin Punches: 0.8mm/0.031inch, 0.9mm/0.035inch, 1.0mm/0.039inch Features: This product is equipped with a strap fixing block to free your hands so you don't have to hold the watch and punch with one hand. The nylon hammer face and soft punch will provide maximum protection for your expensive watch. This 5-piece set makes it easy to remove the most difficult strap link pins. This strap link remover is great for removing and inserting spring bar straps and is widely used for strap replacement, watch repair and jewelry making. Package Included: 3x Punch Pins (0.8 mm, 0.9 mm, 1.0 mm) 1x Watch Band block 1x Watch Hammer How to Use: 1. Place the watch band on the holder. 2. Place the punch pin or spring-loaded bar directly on the punch pin/bar. 3. Strike the hammer to remove or insert the pin. Notes: 1. Please allow 1-3mm error, due to manual measurement, please make sure you don't mind before bidding. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your support!