Description: 1.18 different sizes to meet your different needs at work. 2.It is made of high-quality aluminum to ensure long service life. 3. It is very suitable for replacing old or damaged aluminum gaskets. 4.It is equipped with a small box, which is very suitable for you to classify different sealing rings. 5.This set of aluminum washers is made of high-quality materials. They have good conductivity and thermal conductivity. Packed in a beautiful box, separated by size. The insert paper has a real size, so when you open the box, you can see the corresponding size of each compartment, so that you can easily identify the required gasket size. Parameters: Color: silver Material: aluminium Aluminum gasket 6.101.0mm (40PCS) Aluminum gasket 6.121.0mm (40PCS) Aluminum gasket 8,121.0mm (40PCS) Aluminum gasket 8141.0mm (40PCS) Aluminum gasket 10141.0mm (40PCS) Aluminum gasket 10,16,1.0mm (40PCS) Aluminum gasket 12.161.5mm (20PCS) Aluminum gasket 12.181.5mm (20PCS) Aluminum gasket 14.181.5mm (20PCS) Aluminum gasket 14.201.5mm (20PCS) Aluminum gasket 16.201.5mm (20PCS) Aluminum gasket 16.221.5mm (20PCS) Aluminum gasket 18.221.5mm (20PCS) Aluminum gasket 18.241.5mm (20PCS) Aluminum gasket 20.261.5mm (20PCS) Aluminum gasket 22,27,1.5mm (10PCS) Aluminum gasket 22.291.5mm (10PCS) Aluminum gasket 24.292.0mm (10PCS) Package Includes: 450PCS Aluminum Washer Gasket