SmallRig Rosette Arm (11") 3959 Key Features 1. 1/4"-20 screws with anti-twist locating pins ensure accessory 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 aluminium alloy and stainless steel SmallRig Rosette Arm (11") 3959, 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 lights, microphones, mobile phones, iPads, action cameras, etc. 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 is also equipped with pads on both accessory mounts to prevent scratches. Note Load Capacity: 3 kg In the Box 1 x Rosette Arm 1 x Hex Spanner Specifications Product Dimensions: 279 x 60 x 32mm Package Dimensions: 182 x 103 x 42mm Product Weight: 330g±5g Package Weight: 666g±5g Material(s): Aluminum Alloy, Stainless Steel, Silicone