roofing steel nail black steel nail low carbon steel material 18-50mm 1500pc/ ... material18-50mm1500pc/box,10 oxes/case details:FST nail seriesModelsFST18,FST20,FST25,FST30,FST40,FST45,FST50Length18mm,20mm, ... FST50:1,500pc/box, 10 boxes/case. Price Nail Description:1.the nails are widely used in steel ... or wire iron.Having good performance of steel nail and iron nail.3.The surface is galvanized,Safe and ...