The Prostand GC-50B is a premium quality hook-clamp designed to safely hang your lighting effects and fixtures. Made from folded steel for strength and reliability with a modern black power coated finish. Great for light duty applications and semi-permanent installations such as theatres and venues. Designed to suit 50mm lighting bars, and stage trussing with a load capacity of up to 50 kg. Supplied with an M8 bolt and wing-nut for connecting to your preferred effect / fixture.