2-7/8″ Cam-Lock Slide & Swivel with Telescoping HandleHigh-strength aluminum 7-1/4 x 13 platform travels 6 fore and aft on self-lubricating pads. Automatically locks in the forward position. Dual-function activator handle operates slide as well as swivel, rotates 360. Handle telescopes up to add 1-1/2 of height to the pedestal. Universal mounting pattern: 5 x 5 and 5 x 12.