[Dual Ball Heads with 1/4"-20 Screws] The SMALLRIG Magic Arm 3873 has 1/4"-20 screws on both ends. Each ball head is 20mm in diameter. It has a maximum load capacity of 6kg.
[Anti-Twist Design] The Ball Head Magic Arm 3873 features one 1/4"-20 screw and an elastic pin to prevent twisting.
[Adjustable and Stable] The adjustable thumb lever helps lock the ball head at the appropriate angle, and a small magnetic wrench at the bottom tightens the thumb wheel.
[Flexible Adjustment] There are notches on both ends of the ball head clamp, allowing space for flexible adjustment of the ball head and its attached accessories.
[Lightweight yet Durable] This item weighs only 88g, making it easy to carry and store. Made of aluminum and stainless steel for added strength.