There is off-rail prevention on the mounting baseplate, preventing QR plate from removal accidentally. The wingnut with the ability to change the position of the knob to tighten or unscrew to make the QR plate quick release.
The 15mm rod clamp also is mounted on the shoulder plate for you adding to your video rig.
Made of aluminum alloy and sponge, lightweight and durable. Net weight: 17oz
Specifications
Colour Name
15mm shoulder pad with quick release plate kit
Model Name
871813
15mm Shoulder Pad with Quick Release Baseplate for Manfrotto, 15mm Rod Clamp Applicable for Video Camcorder Camera DV/DC Support System DSLR Rig