1/2" round preformed material swedged at each end to best fit ski contour fitted with 8" of 60° turning carbide. Performance trail riders are known to use this runner. Provides proper balance with a studded track. Pack of 2. - Pilot X, Pilot 5.7 SL, Pilot 5.7, Pilot 7.4, Pilot DS, Pilot DS-2, Pilot DS-3 Skis