Description Flat washers are used to increase the load bearing surface under a fastener s head by distributing the load through the washer. Spring lock washers apply greater bolt tension per unit of applied torque as well as a hardened bearing surface adding to a more uniform torque control. Features - Color: Silver. - Material: Stainless steel. - Size: About 1.10X1.10X0.10cm/0.43X0.43X0.04inch. - These washers are made of great stainless steel can be used for a long time. - Washer s surface are smooth can reduces friction between the fasteners. - Perfect for applications that require a larger amount of pressure distribution such as drywall fencing mounting fixtures and sheet metal. - These washers after good processing the texture is firm and the surface is smooth. - Suitable for electrical connections on household and commercial appliances automotive and marine uses.