Manfrotto MHXPRO-3WG XPRO Geared Head with Two Calumet Quick Release Plates for the RC2 Rapid Connect Adapter The geared movement allows users to frame images precisely - one micro step at a time - on all three axes. The knobs ensure ergonomic comfort even during extensive usage. In addition, in order to make large framing adjustments, the locking system can simply be loosened by pushing the knob against the levers. Geared technology by Manfrotto is patent pending The XPRO Geared head features the most common photographic plate in the world so theres no need to use different plates when switching to other Manfrotto supports. weighs only 1.65 lbs, but can support a payload of up to 8.8 lbs. Its Adapto body-a strong, rigid technopolymer - makes this head the lightest and most precise ever created by Manfrotto. 2 Bonus Replacement Quick Release Plates for the RC2 Rapid Connect Adapter