Ercole M11-051 Umbrella Swivel Adapter with adjustable cold shoe

Ultralight AC-CSB ball clamp with black knob for large buoyancy arms

Ultralight AC-CSB-UB coarse thread ball clamp with blue knob for large buoyancy arms

This is a Tilthead with Spigot. It is a safe and secure way to mount any light fixture or accessory with a 5/8” receiver on a stand. The Tilthead features a ratchet locking knob that prevents sudden movements when released. A built-in umbrella receptacle with a knurled locking screw accepts umbrella shafts up to 8 mm.