Features:

Help lighting engineers or photographers fix their accessories more easily.

Grip size is up to 4.9cm.
Be able to fix onto any tubes coming with size from 1.2-4.9cm. Be able to fix onto any shaped body, such as water pipes, handrails, doors, shelves, tables, branches, wires, etc.

Specifications:

Material: Aluminium alloy & plastic Max. grip size: Up to 4.9cm / 1.9in Item weight: 91g / 3.23oz Package size: 7.5 8.0 2.3cm / 3.0 3.2 0.9in Package weight: 103g / 3.64oz