Sufficient Quantity: there are 200 zinc fender washers in the package, which can cope with the loss and replacement needs during work and are sufficient for daily use Quality Material: carbon steel material, galvanized surface, strong, durable and corrosion resistant, can be applied in high temperature, cold weather, humidity and other environments, both indoors and outdoors, to ensure your fastening needs Suitable Size: the outer diameter of a fender washers is 30mm, the inner diameter is 10mm, and the single thickness is 2mm; It has a larger surface area than the standard flat washer, which can increase the contact area, increase the outer diameter to disperse the pressure, and prevent the nut, bolt or screw from being pulled out of the material Protect Parts: washers can play the role of sealing, shock absorption, and buffering positioning; In some equipment with large vibrations, they play a buffering and shock absorption role, reduce equipment wear and noise problems, prevent nuts from loosening, reduce the surface pressure applied to the fastening object, and protect parts and screws Application Range: generally applied for sheet metal processing, pipelines, electrical applications, electrical connections for household and commercial appliances, automobiles, and marine purposes, suitable for automobiles, pipelines and DIY tasks Features: Prevents a nut, bolt or screw from pulling through the material, can also be applied as a spacer Our 3/8 fender washers have the strength and resilience to meet all your project needs in any demanding environment Specifications: Material: carbon steel galvanized Color: silver Size: 3/8" x 1-1/4" Package includes: 200 x Zinc fender washers Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.