Rubber gasket set that is installed on the watch back case,can cover the gap between the watch band
Play role in watch waterproof,suitable for watch repair and DIY watchmaker
O-rings thickness: 0.5mm.
19 different sizes from 12 to 30 mm: 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29 and 30mm.
Comes 50pcs each size in a poly bag (total: 50pcs x 19 = 950pcs)

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 4.6 inch
Height : 0.5 inch
Length : 6.6 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0.48 ounce (View shipping rates and policies)

ASIN : B01GLDQQNE

Product Description

Material:rubber Color: black Item standard: Wire diameter: 0.5mm Coil diameter:(19 model, each model has about 50 pieces) 12mm/13mm/14mm/15mm/16mm/17mm/18mm/19mm/20mm/21mm/22mm /23mm/24mm/25mm/26mm/27mm/28mm/29mm/30mm Package include: 1 x Watch gasket set