Reduced friction between ski and trailer makes loading & unloading quick and easy.FEATURES Deep channel suspends all types of carbide runners. Wide design accommodates all dual runner skis. Eliminates damage to trailer decking caused by carbide ski wear rods. Multi-Glides Wide accommodates snowmobiles with up to 11" of ski stance variance. Guaranteed not to crack, chip, break or wear out. Glides are available in 2 sizes: Narrow 6.5" or Wide 8.5" NOTE: Wide - Single Section - 1 Piece (12-200972) requires one screw pack 12-200975 sold separately.NOTE: This item may be subject to additional shipping charges.