What will I get?Color: Silver, BlackMaterial: 304 Stainless Steel, EPDM RubberOuter Diameter: 14mmInner Diameter: 4.8mmThickness: 2.8mmPackage Contents: 100 x Cushioning GasketsWhat is this?The bonded sealing gasket provides an airtight seal between the bolt or screw and the hard surface.Are there any advantages of the product?The 304 Stainless Steel washer is slightly angled but flattened as it's tightened.How to use it?Suitable for outdoor or humid environment, strong corrosion and acid resistance.It can avoid thermal expansion and cold contraction during installation, improve the fastening effect, sealing, dust-proof, and waterproof functions. Also serves as a cushion protecting from vibration.
eBay