This Arca-Type Quick Release Clamp & Plate from PGYTECH offers a multifunctional interface for wide compatibility, and PGYTECH's patented SnapLock System for convenient one-step attachment. Multifunctional Interfaces for Wide Compatibility The quick release mounting base is designed with an Arca-Swiss interface on the side and the bottom contains 1/4” and 3/8” threaded holes, which is widely compatible with gimbals, plates, tripods and sliders. Patented PGYTECH Quick Release System, One Step to Attach The PGYTECH Arca-Type Quick Release Clamp & Plate includes the SnapLock System. The quick release mounting base uses a clamp that locks by itself rather than a traditional knob.It lets you instantly mount the quick release plate in just one step. You can easilyconnect cameras and other gear to your gimbal, Arca-Swiss plate, sliders or tripods. Arca-Swiss Standardized Size The quick release plate uses the Arca-Swiss standardized size, which is compatible with most Arca-Swiss plates. Increased Grip, Extremely Secure The quick release plate uses a patented tight-fitting screw containing a thrust needle roller bearing, which ensures the plate doesn't get undone. It mounts your camera very securely.