Quick Release Plate Mount. This is a durable Item that allows you to remove you spotting scope quickly with the 1/4 turn of a lever.

Specifications:
Material: Aluminum & Steel
Screw Size: 1/4"
Item Size: 4.8 * 2.4 * 1.7cm/1.9 * 0.9 * 0.7in
Item Weight: 47g/ 1.6oz
Package Size: 14.8 * 8.8 * 2.5cm/5.8 * 3.5 * 1.0in
Pacage Weight: 60g/2.1oz