SmallRig Magic Arm with Rosette Gear (7") 4194, made of aircraft-grade aluminum and stainless steel, features 1/4"-20 screws and stretchable pins at both ends for securely attaching such accessories, particularly with anti-twist holes, as monitors, LED video lights, microphones, mobile phones, iPads, action cameras. The thumbscrew helps lock accessories and has holes for hex spanner for further tightening; and the ball heads, which are 360-degree adjustable, come with a spiral pattern to increase friction and bear up to 3kg of load. At the stainless steel rosette joint, there is a spring for easier angle adjustment. An ergonomically designed anti-off thumb lever, with a built-in thrust ball bearing, feels smooth and comfortable and quickly locks arm and ball heads in a second. This rosette arm is CNC machined for more robustness and durability and also equipped with pads on both accessory mounts to prevent scratches. 1.Stretchable pins and 1/4"-20 screws prevent twisting and ensure safety;2.Newly-designed ball heads increase friction and bear load up to 3 kg;3.New locking structure at the rosette joint for smoother angle adjustment;4.Made of sturdy, durable aircraft-grade aluminum alloy and stainless steel.Note:load capacity: 3.5kgCompatibility:1/4"-20 screws Accessories Rosette Arm x 1Product Dimensions: 178.0 x 69.0 x 25.5mmPackage Dimensions:121.0 x 103.0 x 43.5mmProduct Weight:214.0 ± 5.0gPackage Weight:250.0 ± 5.0gMaterial(s):Aluminum Alloy, Stainless Steel, Silicone