It is attached to 15mm short rod(1.5'', 2'' & 2.5'' optional) for height adjusting on a quick release railblock. There are two rubber washers to protect the finish off of your lens from wearing. The lens support fits lenses diameter range for 50mm to 140mm.

Material: Aluminum Alloy, Rubber

Includes:
1x Lens support

Net Weight: 22g