1Made of high quality material, solid and durable. 2Safe way to not scratch watch when remove watch strap or repaire movement. 3It is adjustable with spin button for easily fit watch case size. 4The Max. opening is 80mm. 5Easy and convenient to use. Features: 1. Made of high quality material, solid and durable. 2. Safe way to not scratch watch when remove watch strap or repaire movement. 3. It is adjustable with spin button for easily fit watch case size. 4. The Max. opening is 80mm. 5. Easy and convenient to use. 6. Professional tool for watchmaker and watch repairman. Specification: Condition: 100% Item Type: Watch Repair Tool Material: Metal Optional Color: Silver, Red Size: Approx. 12 * 7 * 7cm/4.7 * 2.8 * 2.8in Package List: 1 * Watch Case Holder 4 * Accessories