Universal wrench tool for watch back opening and closing, with 18pcs clamps kit, can open watch back case from 17mm to 37mm.
Features:
High-quality steel material, durable to use.
Adjustable with thumb wheel, can open watch back case from 17mm to 37mm.
4 sets of clamps: round, flat, square and toothed.
Small size, easy to use and easy to carry.
Suitable for watches with movable screw-plug back covers.
Specifications:
Material: Steel
Open Diameter: 17-37mm / 0.67 * 1.46in
Package Weight: 290g / 10.23ounces
Package Size: 150 * 54 * 31mm / 5.91 * 2.13 * 1.22in
How to use:
1. Choose suitable bits to install them into opener.
2. Adjust the distance by revolving the middle wheel and handle to fit in your watch back cover.
3. Fix opener by hand and rotate opener, the cover will be opened easily.
Packing List:
1 * Watch Back Case Opener
18 * Clamps
1 * Storage Box