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Neewer 140mm Professional Rail Nodal Slide Metal Quick Release Clamp for Camera with Arca Swiss

Multi-purpose rail nodal slide with Arca standard screw-knob clamp precision laser engraved scale and spirit level excellent for panoramic and close-up photography
Clamp with Captive Knob Stops at Maximum Opening
CNC precision machined from light weight aircraft grade aluminum
All metal construction
Black Hard Anodized Finish with smooth surface