The KCP-100 T.V. Clamp is a heavy duty casting C clamp and supplied with a Tommy bar to improve grip. It terminates in a 28mm(1-1/8”) junior receiver. Collar ring on bushing for supplied safety hitch pin to pass through fixture spigot. There is a dedicated aperture in clamp body for attaching safety cable. This clamp works for diameter from 22-54mm round tube with load capacity 250kgs. It is ideal to hang all types of luminaries in T.V. studio and theaters.