ITI Trailer Jack Skate is used when loading or moving trailers. Place the trailer jack pedestal shoe or wheel into the pocket of the skate. The slick surface of the skate allows for more easily moving a trailer by hand - without having to lift the tongue of the trailer off the ground. It also protects parking lots, driveways and warehouse floors from damage or marring. You can utilize this skate when loading a disabled vehicle with a trailer hitch, too! As the vehicle makes the approach up the incline of a trailer or car carrier, this skate can be placed below the hitch to prevent the hitch from gouging the road surface or parking lot, causing unnecessary damage. The slick surface of the skate makes moving objects easy! The ITI Trailer Jack Skate is made from a unique recycled material which provides the most durable and longest lasting performance versus competitive products.