Desmond Brand Easier softbox assembly with the mounting holes angled in at 15 degrees. Works with most softbox brands with rods up to 8.3mm in diameter. 3/8" Socket allows direct light stand mounting changing the centre of gravity so that larger softboxes can be used. 6" removable steel insert provides superior strength over aluminium. 100% metal speed ring. 16 x holes (holes are 8.4mm in diameter) for softbox rods. Fits Speedotron Blackline 102, 103, 104, 105, 106, 202VF, 206VF and Brownline M11 & M11Q.