Swap cameras in a snap fasten the digital slr camera quick release base plate to any fat geckos 14 20 mounting head to enable quick camera attachment and detachment during a shoot two liquid levelers help you set up angles with precision while the sturdy flanged plate edges and push button key prevent slippage once your camera is locked into place the delkin qr has a 38 20 hole with a 14 20 bushing in it it arrives ready for any 14 20 remove the bushing with a flat head screwdriver