The Genus G-HEB Height Extension Bracket provides  allows you to adjust the  height of the Genus GWMC Matte Box
The bracket is designed to attach to industry standard 15mm rods.The G-HEB bracket is simple to attach to your existing GWMC matte box
The central riser allows  you to vary the height of your matte box with ease via  a single lock-off.
CNCed from aviation grade aluminium is is the essential accessory for your GWMC  matte box.