Ultimate engine cooling and slider lube. Unmatched performance and weight. Works with all reverse and non-reverse equipped snowmobiles. Pre-assembled for one-bolt mounting. Virtually indestructible 7/16in. 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 1/2in. and taller. All three tip designs are interchangeable with both cable lengths.