55cm Watch Back Case Opener Adjustable Screw Remover Wrench Repair w/ 18 Bits

Features:
Storage case included.
Four sets of bits included for different watch case types
Easily adjustable for various case dimensions
Designed for opening and fitting screw cases on waterproof watche

Specifications:
Material: Steel
Handle diameter: Approx. 13mm
Size: Approx. 16.5*7cm
Max Opening: 55mm
18 Clamps: Round x 9 / Flat x 3 / Square x 3 / Toothed x 3

What's included:
1x Watch case opener with 18 bits
1x Storage box