BOTTOM LINE 4" CARBIDES Manufactured by Bottom Line Dominator series Features 4" of center control carbide and hardweld filler on front and rear of bar 7/16" bar size 60 degree carbide in 1" segments, provides durability and maximum control Works on stock Pilot ski Sold per pairFits 2006 - 2011 Ski-Doo -- All models with 5. 7 / 6. 9 Pilot Skis 2006 - 2010 Ski-Doo GSX 2006 - 2009 Ski-Doo GTX 2008 - 2010 Ski-Doo Legend 2006 - 2008 Ski-Doo Mach Z 2006 - 2010 Ski-Doo MX Z 2010 Ski-Doo Renegade 2008 - 2010 Ski-Doo Skandic Tundra LT 2010 Ski-Doo Skandic Tundra Sport 2006 - 2010 Ski-Doo Summit