Chauvet Professional CTC-50HC-BLK Full-Size Half Coupler Lighting Clamp (Black) - 2"The CTC 50HC is a load rated full size half coupler made from heavy duty aluminum with a load rating of 750 kg (1,650 lbs). Built with reliability, safety, and durability in mind, the CTC 50HC can handle heavier loads and is made for hanging fixtures and pipe structures from 2 inch pipes, including the CT290 series TRUSST and other major brands in the market. Features Half coupler clamp made of heavy duty extruded aluminum Built with versatility,