Universal ARCA Clamp
niversal ARCA Clamp attaches to tripod plates using 1/4-20 and 3/8-16 threaded holes on the bottom. It can also be bolted down to cameras, cheeseplates, or other devices using 4 included 1/4-20 x 1/2 socket button head screws.
Front-to-back 1/4-20 screw channels accommodate spacing up to 30mm apart center-to-center.
Side-to-side 1/4-20 screw channels accommodate spacing up to 60mm apart center-to-center.