Length:2-1/2"-3-1/2" Head Dia:22.5mm Shank Dia:3.65-5mm Finish:EG,CC,VC,HDG,PC Type:umbrella head,with washers,spiral shank Umbrella head roofing nailMaterial:Q195/Q235/Q215(standard ASTM1010)Shank:plain shank or twisted shankFinish:electro galvanized/hot dipped galvanizedSize:BWG9X2-1/2" , BWG9X3", BWG10X2", BWG13X1-3/4"Packing:7Lbs per box,8 boxes per carton,or as per customer's requestWidly ...