Replacement Swivel Pad Assembly for Style F, J and Spreader Clamps, fits 2400 PSI and 4800 PSI Models, 3 Piece Design, Hardened Steel, Black Oxide Finish. Re-use the original retaining pin when installing the new Pad Set. If a replacement retaining pin (Spring/Split Pin) is required these pads will use a standard 3/16” diameter spring pin.