Dura Flex Ice Scratchers Kit.Improves Hifax life and engine cooling on hard packed snow Universal Design Easily Mounts to Rails.Unmatched performance and weight.Works with all reverse and non-reverse equipped snowmobiles Pre-assembled for one-bolt mounting.Virtually indestructible 7/16" zinc plated wire rope for increased down pressure.Improved crimps for greater hold.Hooks and stays on rail when not in use.Knurled mounting surface eliminates spinning and loosening on the slide rail.Hi-Roller recommended for track heights 2-1/2" and taller.All three tip designs are interchangeable with both cable lengths Quantity - 1 Pair (One Left side and One Right side).Reverse Compatible, Lightweight.Part # 15-6425 Dura Flex Snowmobile Snow Ice Scratchers，Fits Polaris, Arctic Cat, Ski Doo, and Yamaha Snowmobiles.Hooks onto rails until you need them, Then simply unhook them when conditions make then necessary.