This Power Point Carbide Push-Through Stud is designed for the Ski-Doo XP and select Arctic Cat snowmobiles with single Ply Tracks. This stud will offer more support for the trail rider that is running fewer studs than recommended on either the single ply tracks or the 3 ply tracks. It features 60 carbide tip for aggressive penetration, and chamfered head design to reduce vibration and idler wheel wear. Available in 1.080 , 1.187 , and 1.375 1.500" & 1.625" lengths. Use with Power Plate \ Plus Backer Plates for all five (5) available lengths. (Power Tower Lock-Nut recommended for 1.375 , 1.500" & 1.625")