330pcs Zinc Plated Carbon Steel Pan Head Philips Machine Bolts Nuts with Flat Washers Assortment Material:Carbon Steel Head type:Pan Head Finish:Zinc Plated Size:6 common size bolt, 4 common size screw nut, 4 different size Flat Washers Package:Total 330pcs bolt+nut+ flat washer are In Plastic Divided Storage Case