Watch Back Case Gasket Seal Washers Tool Waterproof Repairing Rubber O Rings

Specification:
Product name:watch back cover waterproof ring
Product features:waterproof and dustproof,a variety of specifications
Product inner diameter:18-40MM/12-42MM(optional)
Product thickness
18-40MM:0.35/0.4/0.45MM
12-42MM: 0.4/0.5/0.6/0.7/0.8/0.9MM

Package includes:
1 Set*Waterproof Ring(optional)

Note:
Only include the above package products
The product contains LOGO,hope you do not mind
Specifications are manually tested and are for reference only
Please allow 0-1cm error due to manual measurement
Please make sure you don’t mind before bidding
Due to the difference between different monitors
Pictures may not reflect the actual color of the item.Thank