Model:M10
Material:Made of high quality 304 Stainless steel, provides excellent rust resistance, suitable for Indoor and Outdoor use.
Inner Diameter: 3/8 inch / 10 mm
Outside Diameter: 11/16 inch / 18mm
Package contents: 50Pcs X M10 304 Stainless Steel External Tooth Star Lock Washer
Fine workmanship, smooth surface, no burrs, not easy to slip, durable.
Easy to install and remove and can be reused.
Application:Suitable for household and commercial appliances, automotive and marine electrical power connections with threaded, bolted connections.