Maze STORMGUARD S259S Series S259S530 Siding Nail, Hand Drive, 3 in L, Carbon Steel, Hot-Dipped Galvanized, Spiral Shank, Pack of 6This nail, originally made to the specifications of the early producers of hardboard siding, now has a multitude of other uses with other types of siding, trim, fencing, decking and more. It's a great all around nail. Extra stiff shank for easy driving. Self seating head. STORMGUARD double hot dipped galvanized. Refer to wood siding box nails for specifications requiring a larger diameter head. Unit: BX UPC: 098342021913 Model Number: S259S530