The Z-Force Microforce Mount is a specialty item that allows you to mount the Preston Microforce grip on a 15mm or 19mm rod (please select below). The Z-Force has full articulation between the rosette and the Z-lock mount. The Z-Force Microforce Mount also acts as a handgrip giving you more stability. Release the Z-Force with a 1/4 turn of the lever. This product does not include the Preston Microforce.