Specifications:1) Spec.: a) Nails head: 6.4 x 2.2mm b) Shank diameter: 2.20 c) Length: 18 - 64mm (3/4 - 2 x 1/2")2) Models: ST18, ST25, ST32, ST38, ST45, ST50, ST57 ST643) Mainly used in nailing concrete, batten or plate iron, fixing batten with solid concrete, fixing plate iron with solid concrete, beating into metal frame over 1mm in thickness and used in nailing floors and walls of the decoration engineering4) Having good performance of cement steel nail5) The surface is galvanized 6) Nail into the wall with the pneumatic gun7) Safe and reliable8) Made of 45# carbon steelWe strictly conform to trade standards.Welcome customers' designs.Packing:100pcs/stick10,00pcs/box10boxs/ctnOr according to the customers' requirements producing area:China payment:T/T, L/C supplying capacity:80MT/month