SMALLRIG Standard Dovetail for Arri Standard Clamp Quick Release Clamp - 1683 SmallRig Standard Dovetail for Arri Clamp Quick Release Clamp 1683 adapts any camera system, base plate, or accessory to andovetail for ARRI standard . It attaches to the camera with 1/4"-20 and 3/8"-16 screws. Material: Aluminum Alloy Net weight: 130g dovetail