Description: This camera super clamp is made of solid aluminum alloy for high durability. Non-slip rubbers on the inner side provide strength and stability. It has a female 1/4"-20 and a 3/8"-16, both the standard fitting sizes in the photo industry for heads and tripods can be used for a variety of attachments. Small size super clamp, perfect for articulating friction arm. Max load up to 2kg. With the super clamp and arm set, you will be able to connect your devices to a monitor, a LED video light, flash light and others. Widely adjustment range: Max. open (approx.): 38mm, total length: 130mm. Recommend clamp product: 13mm-30mm in diameter. Specification: Material: Aluminum alloy Size:Approx.6x5x1.5cm Screw mount: 1/4" and 3/8" screw holes Clamp compatible diameter: 13-30mm Package Includes: 1 X Super Clamp with Ball Head Arm Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0-1cm differences due to manual measurement.