Cast Iron Swivel from old CNC machine control. Can be adapted to do many useful things, limited only by your imagination! 2-1/4" ID, 5-1/4" OD, 2-3/8" tall (tape measure tolerances). Has a groove and set screw to limit rotaion to 90 degrees. Hardware is M6, included. Price is FREE to the first taker, you pay shipping.
