1. All-metal material, unibody design, CNC precision machining, surface anode anti-oxidation treatment. 3. Change quickly from landscape to portrait mode without adjusting your setup. 4. Safe Screw installed in side to prevent drop of camera by accident. 5. With AS standard interface, compatible for RRS / for ARCA-SWISS / KIRK / for Wimberley / for MARKINS / for vSUNWAYFOTO / for kangrinpoche / for BENRO / for SIRUI etc ball heads. Mounting Screw: 1/4inch Color: Black Material: Aluminum Alloy Package Contents: 1 x Camera R7 Quick-Release Handle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.