Creeper Wheel Made of superior formulation Hyper-Flex(TM) polyurethane and uses high precision bearings. Experience little or no rolling resistance! The unique polyurethane material and design allows smooth, unimpeded rolling for indoor/outdoor ease of movement over cracks, washers, misc. debris, etc. Experience Little To No Rolling Resistance Fits Most Standard Caster Assemblies Available In Red/Black w/Cool Side Graphics Rides On Precision ABEC High Quality Bearings Installs In a Few Minutes .
