The Trusst CTC-50HC Black is a load-rated full-size half-coupler made from heavy-duty aluminum. Due to the construction material, it allows for a load rating of 750kgs.
$79.00
Avenger C460-1 Clamp Lp Eye Coupler TUV 220Kg Payload 42-52mm Wide 13mm Unthreaded Hole.
The base model of LP eye coupler is a regular clamp to use on pipes or trusses. Made from aluminium alloy, it can be tightened with a wingnut and has a 13mm hole for mounting lights and other accessories. It can support a payload up to 500kg and works on pipes ranging from 48mm to 52mm
Trusst CT-CONKIT6WAY Corner Block Connection Kit 
Avenger C150 C-Clamp Swivelling TUV Cert 28-78mm Range 10Kg on 16mm. 75Kg on 28mm 
