3 PACK COMBO - A TOTAL F 6 CARBIDES. Designed for aggressive trail riders. Excellent high-speed cornering control. 1/2in. host runner features 6in. of 60deg. sharp edge turning carbide. Wear pads are a full 1 1/2in. long. Full-length hardweld surfaces between all three carbide inserts provide extended wear. Extra-long studs make it easy to install plastic ski skins. Track studding recommended. Sold in as a 3 pack combo. fits Ski-Doo™ Skandic 550F SWT 2008 fits Ski-Doo™ Skandic 550F SWT 2005 fits Ski-Doo™ Skandic 550F WT 2008-2009 fits Ski-Doo™ Skandic 600 WT 2008-2009