POWER TRANSMISSION COMPONENTS FOR LAND VEHICLES - NAMELY, DRIVE LINES (PROPELLER SHAFTS) INCLUDING YOKES AND CROSSES (SPIDERS), CROSS AND BEARING KITS (UNIVERSAL JOINT KITS), DRIVE TUBES AND DRIVE SHAFTS, COUPLINGS, SLIP SLEEVES, TUBES, BEARINGS, DRIVE LINE SAFETY COVERS, YOKE AND SHAFT ASSEMBLIES, SHEAR PINS, SHAFT AND YOKE LOCKS, SPLINED ADAPTERS, SPROCKETS, HUBS AND PULLEYS; GEARS AND GEAR BOXES