The Glow Speedring for Bowens offers an aluminum softbox collar combined with a mounting ring for your Bowens light. The internal ring allows rotating the box while using squared or rectangular softboxes, for additional control. This Speedring offer 360 degree of rotation. Regardless of which softbox you are using, or what brand of flash you are using, full control is still possible. Works with rectangular, square, octa and stripboxes. Has a total of 10 holes for rods.