Opteka RH-42 Reflector Holder Bracket with Swivel Head for 24-66" Reflectors Universal attachment to 24-66" reflectors Dual ball-joint for exact positioning Flexible rubber grips provide a firm hold on the rim of the reflector, while locking knobs hold each tubular section in place A standard 5/8" socket accommodates most lightstands, and will accept a threaded screw-mount adapter for use on tripods 1 year warranty