Flat Washer Kit, (120) #8 Flat Washer, (120) #10 Flat Washer, (60) 1/4 IN Flat Washer, (30) 5/16 IN Flat Washer, (85) 3/8 IN Flat Washer, (6) 1/2 IN Flat Washer included, #8, #10, 1/4 IN, 5/16 IN, 3/8 IN, 1/2 IN sizes, 421 piece, Zinc Plated Finish, Steel material