DS-50 QUICK-RELEASE POST
Gamber-Johnson: Twisting post clockwise releases it from base plate, leaving low-profile (12 inch thick, eight-inch diameter) circular plate. Post drops in and locks with counterclockwise twist. Key lock feature available for extra security. Secures to flat floor and can be used with any Gamber-Johnson mount heads and accessories. (800) 456-6868.
