"Nitrotech is a revolutionary head that combines all of the most successful features of the Manfrotto Video Heads range with a breakthrough technology for continuous counterbalance. Unique Nitrogen piston mechanism: state of the art technology for continuous counterbalance system on professional video heads. Great payload capacity (up to 17.5 lbs): and the best of fluidity for pan and tilt movement together in a cutting-edge piece of design. Precise and continuous counterbalance system: to effortlessly and safely hold and operate different video camera sizes New distinctive design: that emphasize the core breakthrough technology Side Lock sliding plate for fast and precise set-up Graduated sliding plate (504Plong) Easy link connector for accessories with anti-rotation Illuminated levelling bubble for easy set-up Manfrotto's innovative Nitrogen piston mechanism Guarantees continuous counterbalance Variable Fluid Drag system ensures smooth pan and tilt movements 75mm FLAT BASE enables a wide variety of applications 546B Pro Tripod with Mid-Level Spreader Versatile, robust, and precise, the Pro Video Tripod GR SP 23 is a top quality choice for professional photographers. Heavy-duty and rigid, it features a two-stage design and is ideal for a variety of shooting assignments. For creating professional films and videos, this|Precise continuous CBS: nitrogen piston technology - perfect for different cameras and accessories configuration|Variable fluid drag system: pro fluid cartridges on both pan and tilt - smooth and juggle-free footage movement for more realistic cinestyle videos|Side lock: camera clicks in from above - fast, safe and easy|Flat base: fitting different supports, i.e. sliders, jibs... - versatility|Easy link: 3/8"" connector for accessories with anti-rotation - easier gear changes and more solid support of off camera accessories|New design and technology: lightweight head for its kind bringing innovation in the market - attract customers looking for something new"