245pcs Bonded Seal Washer Kit M6-M30 Hydraulic Oil Petrol Seal Gasket Assortment
(Cs ), a total of 245pcs. 25pcs M6 x 10 x 1.2mm. 10pcs M30 x 38 x 2mm. The working temperature is between -25°C and 100°C. A washer is a part that is placed between the connecting piece and the nut.