Description: 2" (50mm) of sliding travel within plate to optimally balance gear. Female 3/8"-16 & 1/4"-20 threadings on bottom. Plate has 1/4"-20 & 3/8"-16 mounting screws, in addition to anti-twist video register pin. 2-Stage quick release system. It gives you the freedom to remove the camera from the head without detaching it from the plate and put it on any other support. Specification: Color: Black Size: approx 14*9*2CM Material: Aluminium Package Includes: 1x Rapid 577 Connect Adapter