The Big Ben Clamp (also often called a “cheeseboro with a spigot” or heavy-duty half-coupler with pin) is a robust clamp designed for film, television, commercial production use
It is used to mount arms, scaffolding tubes, backgrounds, lights or rigging trusses by clamping onto larger diameter pipe/tubes and delivering a 28 mm (1 1/8?) spigot for mounting gear. For example, this version is described as: “cooks a tube ranging from 42 mm to 52 mm and a max capacity 300 kg?/?661 lb”. This clamp is widely used for overhead rigs, cross-bars, background supports or situations where you need to adapt standard scaffold/truss tubes into production rigs. According to one hire listing: “The Big Ben Clamp is used on top of a roller stand to support a cross bar when using heavy or larger backgrounds.”Specification
- Clamp Range for Tube Diameter Typically around 42 mm to 52 mm
- Built-In Spigot or Pin
