This Chimera Quick Release Speed Ring for Lowel DP and Fren-L 650 is a quick and stressless way to mount a Video Pro softbox to your Lowel DP open face or Frenel-L 650 fresnel hot light. The patented Quick Release system allows you to assemble the softbox before the rods are tensioned. They are then easily pulled into place on individual hinges. No more embarrassing wrestling with a softbox as clients look on.