As a replacement for the MVM250A, the Manfrotto MVMXPROA4 Aluminium Fluid Video Monopod features a FluidTech Base for smooth movements while panning. It also has four, D-shaped leg sections that increases the monopod's stability. Meanwhile, the rubber leg warmer strengthens the base while the quick power locks secure every section of the monopod according to the user's preference. Additional attachments can be done through the 3/8" and 1/4" screws while slipping is prevented by using the hand strap. The Manfrotto MVMXPROA4 Aluminium Fluid Video Monopod has a minimum length of 68 cm and a maximum length of 192 cm. Product Features in Detail FluidTech TechnologyThis innovative solution features 3D fluid movement on pan, tilt and swivel, with pioneering technology based on a spherical system located inside the base. When the priority is panning, 3D rotation can be locked in the vertical position, leaving pan movement free and giving additional shooting control. Stable set-up The new D-shaped aluminium tubes greatly improve anti-rotation resistance throughout the monopod, following the videographers rapid rotation movements. Combined with the Quick Power Lock (QPL) which strongly locks the lever onto the monopod tubes flat side, this eliminates unwanted jerky movements.