This is a new version lens support with a quick release railblock. You can adjust the height of the lens support with the 1.5 inch rod. 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

1x railblock
1x 15mm rod(1.5'') 915
1x len support 1650

Net weight: 115g