★ Multi-purpose rail nodal slide with AS standard screw-knob clamp, precise laser engraved, Scale and spirit level, excellent for panoramic and macro photography. Clamp with captive knob stops at maximum opening.
★ High quality aluminum alloy is used to ensure a light weight but super high strength support. All metal construction.double dovetail clamp plate(Upper and lower layer), can be The left Rotated 90° and The right Rotated 90°.
★ 39 mm wide double dovetail clamp plate,Universal Quick Release System has been designed to be compatible with other brand quick release systems. Suitable for most ball heads.
★ dovetail clamp plate with expandable 1/4 screw holes- 5pcs,You can install other equipment
★ Compatible with Arca Swiss