* Keep your Belt Tools running at maximum efficiency.* Contact wheel assemblies include contact wheel plus two bearings. Certain assemblies may also contain a shaft and/or spacers. Refer to individual parts pages for breakdown.* Includes 11077 wheel.* 11078 wheel assembly is standard with 11179, 11218, 11228, 11240, 11244, 11245, 11255, 11258, 11261, 11262, 11312, 11329, 11360, 11286, 11320, 15026, 11203, 11304, 11286, or a 11320 contact arm.