Manfrotto R4190.21 Ball Lock Knob Assembly

– Extended Height: 40cm
– Min Height: 19.8cm
– Top Plate Diameter: 40mm
– Min Tube Diameter: 28.6mm
– Max Tube Diameter: 36.2mm

The GoCoupler GSC200 allows you to attach an additional GoRail at the end of the Series 2 SystemGo center column, to make it height adjustable & more versatile.

The GoRail adds flexibility to your SystemGo tripod when combined with the matching GoCoupler. The GSR140 is compatible with the GSC190 GoCoupler.