Springfield 2-7/8" Cam-Lock Slide Swivel w/Telescoping Handle [1100930-A1]2 7 8" Cam Lock Slide & Swivel with Telescoping Handle High 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.