... -21 Finish:Black,Passivated,Zinc Hexagon socket set screws with flat point DIN913Material:Stainless Steel,Carbon Steel,Alloy Steel1) Various kinds ... , 20' CTN: 5.69*2.13*2.18m Gross weight: 17.5 tons Cubage 24-26 square metersb, 40' CTN: 11 ... your reference.Welcome customerized drawings. Hexagon socket set screw with flat point