Ercole M13-010A Half Coupler with 12mm thread ⌀ 42-50mm

This aluminum gravity casting black Barrel Clamp works on diameters from 42mm to 52mm. It holds a payload of 40kg on a 16mm attachment and 600kg on a 28mm attachment. The clamp is TUV SUD certified for maximum security for the user. It features 3 attachments: 5/8” (16 mm) bushing, 1” 1/8 (28 mm) bushing, and a 5/8” (16 mm) spigot. This clamp is extremely strong, featuring a knob locking mechanism for easy operation, and it includes a safety cable.
The C345BK supplied is black in colour

The Avenger C337 Quick Action Junior Clamp with 28 mm/1 1/8 inch receiver is the perfect partner for hanging lights with a 28 mm/1 1/8 inch Junior spigot or pins. Designed with a unique fast quick action mechanism which locks down the clamp quickly, followed by minor adjustments using the rubber covered T-Handle this clamp easily can hold lights up to 100 kg/220 lb. Made in gravity cast aluminum, this clamp is ideal to hang all types of lights and luminaires in TV studios and theatres. Its incredible coupling range means it can clamp onto most industry standard pipe diameters (Pipes ranging from 40-70mm/1.57 to 2.75 inch). To meet all safety requirements, the Avenger C337 has been designed with a dedicated slot for flexible steel safety cables, has a built in safety pin to secure the load or adapters mounted into this clamp. T-Top rubber T-Handle cover included to improve grip. TÜV SÜD certified. Recommended Accessories: E200, C155, FF3276, D400, C626, A2014, A2029, A2029CB, C590, C4461-1.