SmallRig 7" Rosette Magic Arm, Camera Monitor Mount, Articulating Arm with 1/4"-20 Screws and Anti-Twist Pins, Max Load Capacity 3.5kg Friction Arm, for Camera, Monitors, LED Light Product Feature: Upgraded Anti-Twist Design: The SmallRig Rosette magic arm boasts anti-twist pins and silicone mats on both ends to securely hold equipment with female pin ports in place. This design allows you to create worry-free and unleash your creativity to the fullest. Enhanced Load Capacity: The ball head's surface features a spiral pattern that enhances friction for a load capacity of up to 3.5kg. The head can be adjusted 360 degrees to meet your needs while remaining flexible and obstruction-free. Smooth Adjustment: Stainless steel gear joints are equipped with springs for smoother angle adjustment. Anti-breakage design hand screw knob with built-in thrust bearing, smooth and comfortable hand feeling, ergonomic, can lock the magic arm and ball head with one key. Premium Construction: Overall streamlined appearance, made of aircraft grade aluminum alloy and stainless steel, integral CNC machining, sturdy and durable. Product Compatibility: This product can be used with crab clamp 3755B for camera field monitor, portable light, microphone, cell phone, iPad, action camera, etc. SmallRig also provides various other products for you to discover! Product Specification: Product Dimensions: 178.0 x 69.0 x 25.5mm Package Dimensions: 121.0 x 103.0 x 43.5mm Product Weight: 214.0 5.0g Package Weight: 250.0 5.0g Material(s): Aluminum Alloy, Stainless Steel, Silicone You Get: 1 x Rosette Arm Before you place an order, please provide me with English information to facilitate our delivery and logistics