... material 18-50mm length black color steel nail for pneumatic guns nails of Pneumatic gunssteel nailscarbon steel material18-50mm lengthblack color ... steel nail for pneumatic guns Models:FST18,FST20,FST25,FST30,FST45,FST50.Length:18mm, ... Description:ST steel nails are the high carton steel to produce,use to the concrete,wood or iron the metal frame of ...