Woodys Gold Digger 60 deg. Traction Master Carbide Studs - .875in. Stud Length - 5/16in. Thread GDP6-8755-B Woody's&reg; original push through stud Designed to resist &quot;laying over&quot; and provides maximum traction 60&deg; tip is ISR legal for competition Includes studs and lock nuts 1.325&quot; &amp; 1.450&quot; studs include Woody's ALN2-4500 Big Nuts