1、470Pcs: There are 470 pieces washers in the box of 18 common sizes to meet your different use, and there are corresponding size table for you to make references. 2、Long Life Span: Made of aluminum alloy material, these washers are rust and corrosion resistant, antioxidant, comes with a long life span. 3、Standard Size: These washers are well made with standard size that they can provide you with tight fit operation. 4、Easy Carrying: Comes with a storage box, you can easily take this washer kit with you to help with your work. 5、Wide Application: These washers are widely used in automobiles, faucets, hydraulic and pneumatic, key seals, industrial equipment and electrical appliances. 45 x 6mmx10mmx1.0mm Washer 45 x 6mmx12mmx1.0mm Washer   45 x 8mmx12mmx1.0mm Washer    45 x 8mmx14mmx1.0mm Washer   40 x 10mmx14mmx1.0mm Washer    40 x 10mmx16mmx1.0mm Washer    20 x 12mmx16mmx1.0mm Washer     20 x 12mmx18mmx1.5mm Washer       20 x 14mmx18mmx1.5mm Washer       20 x 14mmx20mmx1.5mm Washer      20 x 16mmx20mmx1.5mm Washer       20 x 16mmx22mmx1.5mm Washer     20 x 18mmx22mmx1.5mm Washer     20 x 18mmx24mmx1.5mm Washer     20 x 20mmx26mmx1.5mm Washer       10 x 22mmx27mmx1.5mm Washer     10 x 22mmx29mmx2.0mm Washer     10 x 24mmx29mmx2.0mm Washer     1 x Storage Box  Item Type: Sealing Washer Commodity Material: Aluminum AlloyTemperature Range: - 40 ℃ to +120 ℃Application: O washer is widely used in automobiles, faucets, hydraulic and pneumatic, key seals, industrial equipment and electrical appliances.