... :M3-M5 Grade: Al,A2,A4 Finish:Passivated,Zinc,Nickle Self-clinching standoff BSO/BSOS/BSOAMaterial:Stainless Steel,Carbon Steel1) Various ... , 40' CTN: 11.8*2.13*2.18m Gross weight: 22 tons Cubage 54 square meters Our main customers: NOTE: The ... equipments and products infos for your reference.Welcome customerized drawings. Self-clinching standoff