Watch Screw Case Back Opener Remover Repair Tool Large Wrench & 12 Bits
Specification :
Key for waterproof watch-cases,with 4 sets of
clamps(round,flat,square,toothed)
High quality all steel construction
Easily adjustable for various case dimensions (16mm to 48mm)
Protable handly box set design,easy to carry
Dimensions:2.75" x 6.5" x 0.75"

Clamps:
Round x 3
Flat x 3
Square x 3
Toothed x 3
Workable Size：16mm - 48 mm
Package included:
1 x Watch case opener tool
12xbits