... Pneumatic gunssteel nailscarbon steel material18-50mm lengthblack color steel nail for pneumatic guns Models:FST18,FST20,FST25,FST30,FST45,FST50.Length: ... design, unique, rapid efficacy, good quality,and so widely used, is the ideal new generation product concrete dowel. Description:ST ... ,beating into metal frame over 1mm in thickness and used in nailing floors and walls of the decorating engingeering. ...