The Elinchrom Rotagrid For Rotalux Octabox 39in and Deep Octabox 39in (100cm) mounts directly to the front of the Rotalux Octabox 39in (SKU EL26646) and Deep Octabox 39in (SKU EL26648) softbox to minimize light spill and add directionality by tightening the beam angle to 30 degrees. 30° Beam Angle Great for selectively lighting subjects without losing the soft quality of light Rotalux is known for. Rigid and Tough Constructed from a durable, lightweight fabric Rotagrids are structured to retain shape over time and maintain accuracy. Quick Set-Up and Take-Down Rotagrids attach swiftly via hook and loop fasteners and fold down flat for storage and transport. Hard to Misplace All Rotagrids Include a storage pouch with clear labeling to help keep things organized and accessible.