Manfrotto R4190.21 Ball Lock Knob Assembly

A support device for your camera, laptop and/or other accessory, specifically designed to be used parallel to the floor.
A GSR250 90 degree adapter module is required to properly use this Center Column.
Ideal for location shooting or for studio use.

The QR7 Release Plate is designed for ultimate stability. With a 38mm x 62mm Arca Swiss compatible base, the QR7 offers an adjustable camera screw slot, to give you more alignment options for your camera. Fits into a standard Arca Swiss style clamp, and has a strap connector at one end. With a milled stainless steel camera screw, 2 x 2.5mm hex retaining bolts and a precision machined anodised finish. You can rely on the QR7 to keep your tripod secure.

The 3LT Lever Clamp is a universal dual stage lever mechanism for Arca Swiss compatible release plates. Compatible with our AirHed Pro and AirHed Vu, the Lever Clamp is adaptable for left and right hand use, and adjustable to fit different plate profiles. Features two security hollows for compatibility with Arca-style release plates that have security pins. The Lever Clamp can be also attached directly to any 3/8″ thread device.

It is compatible with our AirHed Pro and AirHed VU.