Size: 25 mm~ 75mm (1"~3") Material: iron wire material Description: 16 degree,diamond point, screw shank,ring shank,smoot Size: 25 mm~ 75mm (1"~3")Material: iron wire materialDescription: 16 degree,diamond point, screw shank,ring shank,smooth shankSurface treatment: bright and varnish coatedPacking: 300pcs/coil,30coil/carton