Meco Case Tool Screw Back Opener Cover Remover for Watch

Specification: Material: Metal Inside diameter measures approx : 34 -Inside diameter measures approx : 34.7mm (12-gon)(opening size) 35 -Inside diameter measures approx : 36.7mm (15-gon)(opening size) 36 -Inside diameter measures approx : 38.7mm (15-gon)(opening size) 38 -Inside diameter measures approx : 41.0mm (15-gon)(opening size) Package Included: 1 X case Screw