Description This is a carbon metallic keeping clip washers set. It is fabricated from good quality carbon steel material, and to use. It is used for fixing the mechanical device parts, no shake, no skid, steady and firmly. With assorted sizes, it can provide multipurpose tool for your daily repairing work. Features -Color: Black. -Material: Carbon steel. -Size: About 2.60X2.60X0.10cm/1.02X1.02X0.04in. -Specification: -M12. - The washer contacts the bottom material, thereby producing extra frictions and resistance to rotation. - Complete specifications, adding 7 sizes to meet daily use, long carrier life. - The design is reasonable, smooth to use, fix and replace, it's a very realistic kit. - Made of carbon steel material, superb put on resistance, it may be used in the humid environment. - It has an easy design, but very real looking in use, providing you with a reputable utilizing experience.210 x Locking Washers