Features: This magic arm clamp is constructed with good quality aluminium alloy, high strength, anti-rust, durable. The articulating adapter is lightweight but heavy duty, with load bearing up to 4kg, the locking knob provides a security lock. Clamp range is from 13mm to 41mm, can be clamped to tripod, light stand, etc, flexible and convenient to use. 1/4'' and 3/8'' screw holes, can be mounted with many accessories, LED lights and radio microphones. With anti-slip rubber pads on the clamp, which reinforces the stability. Specification: Material: Aluminum Alloy Color: Black + Red Thread: 1/4'' & 3/8'' Load Bearing: 4kg Clamp Range: 13-41mm Weight: Approx. 71g Package Included: 1 x Magic Arm Mount Note: Please notice that camera and magic arm are not included. Package List 1This magic arm clamp is constructed with good quality aluminium alloy, high strength, anti-rust, durable 2The articulating adapter is lightweight but heavy duty, with load bearing up to 4kg, the locking knob provides a security lock 3Clamp range is from 13mm to 41mm, can be clamped to tripod, light stand, etc, flexible and convenient to use 41/4'' and 3/8'' screw holes, can be mounted with many accessories, LED lights and radio microphones 5With anti-slip rubber pads on the clamp, which reinforces the stability