Cn55 coil nailer, air nail gun Weight 2.88kgs(6.33lbs)aluminum body 2.68kgs(5.89lbs)magnesium body Magazine capacity 250-400nails Head diameter 5~6mm(0.197 ) Shank diameter 2.1-2.5mm(0.083& ) Length 32mm-55mm(1-1/4 ) Nail spacing 6.8 & 8mm Operating pressure 5~7kgs/cm2(70~100psi) Applications making pallets, drums and export wooden boxes; crating; making wooden fence; general construction applications including siding, decking and sheathing Besides the cn55, we are also supply other nail guns, cn65, cn70, cn80.Cn90 And other nails guns, framing nail gun/finish gun/concrete gun/roofing gun for you choice. As customer request