Brand: ARP Manufacturer's Part Number: APW950N-CP Part Type: Washers Product Line: ARP Black Cat Paw Washers Automotive Fittings Part Number: ARP-APW950N-CP Washer Outside Diameter (in.): 0.95 in. Washer Inside Diameter (in.): 0.44 in. Washer Thickness (in.): 0.120 in. Washer Material: Chromoly Washer Color: Black Inside Diameter Chamfer: No Hardened: Yes Quantity: Sold individually. Description: ARP Black Cat Paw washers are useful in many applications, such as attaching accessories, chassis components, etc. They're not of the hardness required for use on cylinder heads, mains, and connecting rods. Machined from chromoly steel, the washers have a protective black oxide finish and are available in different diameters and thicknesses. These hardware accessories prevent fasteners from moving or corroding.