P/N QLA-ACA (4507-7039-00) For Quad Lock Lever Heads: Use Quad Lock® twist, lock mounting with your GoPro, action camera or lights. Quick to attach and detach with Quad Lock® twist, lock mounting. Swapping your action camera between mounts is simple. Recommended to use only with Lever Heads (sold separately) for secure mounting. Use Quad Lock® twist, lock mounts with GoPro, action cameras and compatible lights. Recommended to combine with Lever Heads for secure mounting. Large range of camera tilt. Ergonomic thumbscrew for easy tightening. Offset mount. Polycarbonate. Stainless steel. Compatible with action cameras with a maximum base width of 65 mm. Note: NOT recommended to combine with the Vibration Dampener as this may increase camera shake. What's Included: