ROUND FLAT HEAD, SMOOTH, DIAMOND POINT SURFACE: ELECTRO GALVANIZED. SPECIFICATION: PRODUCT NAME MATERIAL DIAMETER (MM) LENGTH (MM) CONCRETE NAIL MEDIUM CARBON 1.85 30 2.7 14.5 3 14.7 PACKAGING:50LB/CTN, 48CTN/PALLET, 18PALLET/20 FEET CONTAINERWE ALSO PROVID BULK BOX.