0.8mm Height Waterproof Watch Glass Gasket 16mm to 41mm Inner Diameter I-ring for 0.9mm-1.5mm Thick Crystal

0.8mm Height Waterproof Thick: 0.8mm, Width: 0.35mm, works for 0.9mm-1.5mm watch crystal

For professional users only!

Inner Diameter: 16,16.5, 17, 17.5...41mm

51 Sizes in total, 1pc/size, total 51PCS in this part set.

Package Included: 1 set