Modle Type:T50/16-C 1.Sturedy and powerful nailer with high driving power. 2.Easy operation,strong striking,able to penetrate steel sheet up to 1mm thick. 3.GT50A type can be used to strike Dia.1.8mm steel nails and stripped iron nails. 4.Suitable for application in building, upholstering,furniture manufacturing and packing industry for joining wood or cement and brick etc. 16 Guage Brad Length:20MM-50MM (3/4-2) Shank:1.6MMX1.4MM(0.063X0.055)