FLAT HEAD, RING SHANK, DIAMOND POINT. SURFACE: ELECTRO GALVANIZED, RING SHANK. SPECIFICATION: PRODUCT NAME MATERIAL GA LENGTH (MM) E.G.RING SHANK NAIL LOW CARBON 12.5 1-3/8", 1-5/8" PACKAGING:50LB/CTN, 48CTN/PALLET, 18PALLET/20 FEET CONTAINERWE ALSO PROVID BULK BOX.