CO-RODE Stainless Steel Hex Socket Head Cap Bolts, M2 M3 M4 Screws Nuts Assortment Kit Material:304 Bolt Stainless Steel,great for home and workplace, professionals, amateurs, landlords, handymen, repair men, woodworking, construction Included: popular size M2 M3 M4 bolts,Nuts Environmental protection,non-poisonous. no toxic,Head: Hex Socket head cap screw All of Screw and nuts packed in a sturdy plastic box, Easy to use and install,Package:320pcs x Hex Socket bolts and nuts (+-2%)