1、The product is packed in plastic box, easy to store and not easy to damage. 2、Nylon has the characteristics of insulation, non-magnetic, heat insulation and corrosion resistance. 3、The models are complete in specifications and reliable in quality. 4、The set is suitable for industries such as communications, electroplating, medicine equipment, office equipment, electronics, etc. 5、The black nylon washer is featured with good peformance and long service life. 40 x M10x20x2     50 x M12x20x2 50 x M6x12x1.2 50 x M8x16x1.5 100 x M2x5x1     100 x M2.5x5x1 100 x M3x6x1       60 x M4x8x1 50 x M5x10x1 Item Type: Black nylon washerColour: BlackMaterial: NylonApplication: Suitable for communication, electroplating, medine equipment, office equipment, electronics and other industriesProducts Include:M10x20x2 40PCS       M12x20x2 50PCSM6x12x 1.2 50PCS      M8x16x 1.5 50PCSM2x5x1 100PCS         M 2.5x5x1 100PCSM3x6x1 100PCS         M4x8x1 60PCSM5x10x1 50PCS