Park Repair Stand AccessoriesCompatable with the PCS-1, PCS-4 & PRS-7 with composite top tubesCam-actuated adjustment system for quick entry, adjustment and exitClamp rotates 360 degrees and is adjustable in height up to 67"Narrow clamping jaws (2.7") designed to clamp securely yet fit into tight areas or on short seat postsFully adjustable clamping pressure prevents damage to thin-walled tubes