Omega 40500 Black Clutch Jack - 500 lb. Capacity Patented splined shaft assembly for clutch support US patent number: 6,189,864 Spline rotates 360 degree, turns side to side and vertically tilts for precise clutch alignment Conveniently located release valve and 360 degrees rotating pump handle allows precise alignment 4 swivel casters for easy maneuvering Accommodates 14 inches and 15-1/2 inches clutch assembly, removal, and installation for a one man operation