Brand: Allstar Performance Manufacturer's Part Number: ALL18632 Part Type: Body Fasteners Product Line: Allstar Performance Countersunk Bolt Kits Automotive Fittings Part Number: AAF-ALL18632 UPC: 848238049367 Body Fastener Type: Body mount Fastener Material: Steel Fastener Color: Natural Thread Size: 1/4 in.-20 Length (in.): 1.000 in. Fastener Head Style: Allen flat head Washer Outside Diameter (in.): 1.00 in. Quantity: Sold as a set of 10. Description: Allstar Performance countersunk bolt kits consist of specially designed washers, which allow the socket head fasteners to install flush with the surface, creating a smooth, finished appearance. They have many uses, including mounting roofs, spoilers, side skirts, and replacing sharp-edged fasteners inside the cockpit. The kits contain washers, bolts, and nyloc nuts for fastening.