The ProMediaGear CS2 1/4"-20 Screw to Cold Shoe Adapter offers an effortless solution to transform any 1/4"-20 socket into a shoe-mount accessory compatible slot. To ensure that accessories stay securely in place, the adapter features built-in screw stoppers. Additionally, it comes with a center flash safety pin, suitable for use with Canon and Nikon flashes. The adapter includes a captive screw, which can be tightened using the provided 5/32 Allen key, to firmly secure the shoe in its position.