SMDV DIFF60 SPEEDBOX-S60 - Professional 24-Inch (60cm) Rigid Quick Folding Hexagonal Softbox for Speedlight Speedlite Flash 24" (60cm) Diameter Hexagon Shape High Quality Double Diffusion Panels for high quality soft light Durable Steel rods. Patented quick-release folding system for fast and convenient setup New (for October 1, 2017) SB-05 speedlight mounting bracket