Features:
1. Made of Chrome Steel material, which is solid sturdy and durable. Great for opening and closing screw back case.
2. It's very suitable for watch repairman to repair their watch by themselves.
3. Compact and light design, exquisite workmanship. Easy and convenient to carry and use.
4. Please measure the size of the back cover before you buy it.

Specifications:
Wrench Material: Chrome Steel
Color: Black
Total Size: 54 x 27.5mm / 2.13 x 1.08-inch(Dia*H)
Diameter of Die:
1 * 34mm / 1.34-inch
1 * 35mm / 1.38-inch
1 * 36mm / 1.42-inch
1 * 38mm / 1.5-inch

Package Content:
4 x Watch Back Cover Case Opener