SmallRig HawkLock H21 Quick Release Rosette Magic Arm - 11 inch SR4489 (4489) SmallRig HawkLock H21 Quick Release Rosette Magic Arm (11) 4489 is crafted from aerospace-grade aluminium alloy and stainless steel. It features an exclusive quick-release slider patented structure with inner roll pins that enable secure vertical locking. The dual-head quick-release 1/4-20 screw design allows for external attachment of monitors video lights microphones smartphones iPads action cameras and more. When used with detachable pins in conjunction with SmallRigs camera cages 4119B 3084C 4088B and other monitors with matching locating holes it effectively prevents device deviation ensuring the safety of your equipment. The ball head offers 360-degree adjustment ensuring smooth and flexible movements without stocking; spiral patterns on the ball head enhance friction supporting up to 3kg / 6.6 lbs loads. A spring has been added to the stainless steel rosette joint for smoother angle adjustments. The anti-skid design of the thumb lever incorporates thrust bearings for a comfortable ergonomic grip allowing for easy locking of the magic arm and ball head with a single press. CNC machined for durability the unit includes padding on both mounts to prevent scratching of equipment.Note: 3kg / 6.6lbs Load-Bearing Capacity.