Manfrotto R405.21 Knob Washer Assy

– Extended Height: 40cm
– Min Height: 19.6cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 21.8mm
– Max Tube Diameter: 28.6mm

– Min Height: 19.6cm
– Extended Height: 40cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 25.2mm
– Max Tube Diameter: 32.4mm

The GoCoupler GSC190 allows you to attach an additional GoRail at the end of the Series 1 SystemGo center column, to make it height adjustable & more versatile.