1.75mm Height Waterproof Watch Glass Gasket 16mm to 40mm Diameter Plastic I-ring 0.4mm Width Seal for Watch Crystal W0302

1.75mm Height Waterproof Watch Glass Gasket 16mm to 40mm Diameter Plastic I-ring 0.4mm Width Seal for Watch Crystal W0302

For professional users only!

The suitable I-ring is 0.3mm bigger than the crystal(otherwise it won't fit)

Gasket Thickness: 1.75mm

Width:0.4mm

2PCS/size, total 49 Sizes and 98PCS

It is used for 2.0mm-3.0mm thick watch crystal glass

Diameter(O.D. X I. D.)mm Please see below: External x Internal

16.8 x 16.0 mm, 17.3 x 16.5 mm, 17.8 x 17.0 mm, 18.3 x 17.5 mm, 18.8 x 18.0 mm, 19.3 x 18.5 mm, 19.8 x 19.0 mm, 20.3 x 19.5 mm, 20.8 x 20.0 mm, 21.3 x 20.5 mm, 21.8 x 21.0 mm, 22.3 x 21.5 mm, 22.8 x 22.0 mm, 23.3 x 22.5 mm, 23.8 x 23.0 mm, 24.3 x 23.5 mm, 24.8 x 24.0 mm, 25.3 x 24.5 mm, 25.8 x 25.0 mm, 26.3 x 25.5 mm, 26.8 x 26.0 mm, 27.3 x 26.5 mm, 27.8 x 27.0 mm, 28.3 x 27.5 mm, 28.8 x 28.0 mm, 29.3 x 28.5 mm, 29.8 x 29.0 mm, 30.3 x 29.5 mm, 30.8 x 30.0 mm, 31.3 x 30.5 mm, 31.8 x 31.0 mm, 32.3 x 31.5 mm, 32.8 x 32.0 mm, 33.3 x 32.5 mm, 33.8 x 33.0 mm, 34.3 x 33.5 mm, 34.8 x 34.0 mm, 35.3 x 34.5 mm, 35.8 x 35.0 mm, 36.3 x 35.5 mm, 36.8 x 36.0 mm, 37.3 x 36.5 mm, 37.8 x 37.0 mm, 38.3 x 37.5 mm, 38.8 x 38.0 mm, 39.3 x 38.5 mm, 39.8 x 39.0 mm, 40.3 x 19.5 mm, 40.8 x 40.0 mm.

Package included: 1 set x Waterproof I-ring Seal Gasket