2.5*50 screw shank electero galvanized coil nailer nails Details Diameter 2.5mm Length 50mm Surface electro-galvanized, anticorrosive paint Model Number 2.5*50 Head Diameter 6.35mm Payment L/C.，T/T Business Type Manufacture, Trading company Certification ISO90001-2000 Place of origin Shandong, China Finishing Ring smooth screw Packing 300 pcs per coil,30 coils per box OR ON YOUR REQUEST SIZE CAN BE CUSTOMIZED CONTACT MS SI FOR MORE INFORMATION SKYPE: netxcherrry