Woodys Gold Digger 60 deg. Traction Master Carbide Studs - 1.325in. Stud Length - 5/16in. Thread GDP6-1325-S The ultimate push-through carbide stud 60 deg. carbide point for superb penetration and durability One-piece stud/head design eliminates the need for T-nuts 24 pack Comes with Woodys Big Nuts