WOODYS Gold Digger Traction Master Two-Ply Snow Stud 1.000"The snowmobile industrys premier push through stud with rugged durability for trail riding and cross country. Its patented track trapping head provides unbeatable rigidity and support. For use in two ply tracks and support plates Through hardened carbon steel with 60 carbide insert 1? head with patented track trapping design Proper nuts included with studs When choosing your length, Woody's recommends snowmobile studs protrude 1 4" to 3 8" over the