Agricultural Industry. This 7.10X7.90 part is made of .120 thick HPRO (Hot Rolled Pickled Oil) materials. The manufacturing operations are Blank/Pierce, Stencil, 2 forms, Deburring, Welding/ Bushing 2X, Spot Weld nut 2X, ream, and Zinc & Yellow chromate finish. Approximate tooling charge is $4,700.00 with 1,000 pieces costing approximately $7.25 each.