Features: Fits all 15mm rod systems DSLR rig connector with 1/4" thread Used to connect shoulder supports, camera cages, magic arms, LED lights, flashes, LCD monitors, and follow focus, etc. There is a distance between the knob and the clamp, this can protect the clamp and knob from scratches Compact and convenient to carry, perfect for video and still photography DSLR shooting. Easy to install and uninstall. Made of solid durable aluminum Suitable for: All standard 1/4" screws All standard 15mm rods Specially fits shoulder supports, camera cages, magic arms, and follow focus Note! MOUNT ONLY, rod not included Specifications: Material: Aluminum Alloy (body) + Plastic (knob) Color: Black + Blue Maximum height: 5.5 cm Maximum width: 2.5 cm Quantity: 1 pc Note: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color shown on the pictures. Thank you! 2. Please allow 1-2 cm measurement deviation due to manual measurement. Package includes (no retail package): 1x Rod Clamp