Plastic PVC Transparent Insulating Plain Gasket Pad Ring Spacer Flat Washer Soft Hard M1.2 M1.4 M1.7 M1.8 M2 M2.5 M3 M4 M5 M6 M8-M10x18x0.5-100pcs-Soft

Corrosion resistance, non-stick, self-lubrication, excellent dielectric properties, very low friction coefficient, non-combustible and other characteristics. A sump plug washer set to suit all types of engines be it car, marine, generators, machinery and plant Good electrical conductivity and thermal conductivity This set of aluminium washers are made of top quality substance. Helps to prevent nuts from loosening in cases where it may be subject to vibration, in some applications a flat washer is used with the split lock washer.