4-Piece set of steel pressure pads for Bessey TGJ2.5 series, GS16K and GS12-8K clamps for replacing worn pressure pads. Pads are designed with an integral snap ring on the interior of the pad that secures to the pad to the ball end of the threaded spindle. To install simply seat the new pad onto the spindle, close the clamp, tighten and you will hear the snap of the pad as it secures to the ball end of the spindle. Pads fit listed Bessey models and some competitors clamp spindles with a 0.393 ball end diameter.