Haoge 50mm Subtend Double Dual Quick Release Clamp for Arca Swiss RRS Benro Rail Plate Nodal Slide CP-50BII

Subtend clamp. The double clamp fits all Arca-Swiss standard quick-release plates. 0. Dual captive screw knob clamp. The safety stop relief groove prevents the equipment from accidentally falling. The Haoge CP-50BII Subtend clamp features a double clamp that fits standard Arca-Swiss style quick-release plates. The dual screw knob clamps allow you to mount QR plates simultaneously from the top and bottom, or mount the clamp to a multi-purpose rail and then mount the QR plate on top, allowing you to move your setup along the rail without moving the tripod or camera support. Package contents: Haoge CP-50BII Subtend Clamp x 1.