Pack of 500 Nylon Washers Features - Soft nylon plastic washers can reduce the wear of the part, increase the touching surface, disperse the pressure, prevent the bolts from loosening, difficult to remove.to break. - Comparison with metal washers, plastic washers, sealing ring and plastic washers.not cause magnetic problems in industrial activities, no rust, electrical insulation, effectively increase damping. - Nylon washer prevents leaks, specially designed for use inin hydraulics and air, create a watertight seal, water tubes, garden hoses, home appliances, showers, faucets, cars and other industrial applications. With box, a variety ofof sizes and thicknesses available in one box, easy to transport.transport, and again, very easy to carry.to use.Box size: 21 x 10.5 x 3 cm (L x D x H) Package content 100 x M2（5*2*1）mm 100 x M2.5（5*2.5*1）mm 100x M3（6*3*1）mm 50 x M4（8*4*1）mm 50 x M5（10*5*1）mm 50 x M6（12*6*1.2）mm 40 x M8（16*8*1.5）mm 10 x M10（20*10*2）mm