Low profile design allows your trailer to be used for multiple purposes without causing interference(hauling ATVs, furniture, or whatever you may need to haul)HDPE plastic greatly reduces the friction between ski and trailer, making loading & unloading effortlessLowPro Glides Wide (8″ wide) accommodate all dual runner carbidesEliminates damage to trailer decking caused by carbide wear rodsLowPro Glides Wide accommodate snowmobiles with up to 12.5″ of ski stance varianceExtension kits are available to complete 12-foot trailers, ramps, etc. (4-30″ pieces per kit)Guaranteed not to break, crack, chip or wear outEach 5 foot section sold separately requires one screw pack. No : 200975List of part numbers that are compatible with the number :Barcode :9999999998Supplier number :CR0122catalog number :200974