Woodys Grand Master Pro Single-Ply Track Studs - 1.325in. x 5/16in. - 48 pack GMPP-1325-48The Grand Master Pro snowmobile stud with a 60deg. carbide tip in a steel shank makes an aggressive profile to easily penetrate hard pack and ice. Grand Master Pro has 60deg. carbide insert. A 1. 200in. head makes a larger anchor to distribute pressure over a wider area on the single ply track. This is the same stud as BRPs Phantom Sharp Stud. This stud cannot be used in a traditional 2 ply track. The 2. 52 pitch single ply track cannot accommodate