Designed to fit on horizontal and diagonal truss braces. Add a new dimension to your lighting design by using the truss braces in your truss. Gives lighting designers additional space to hang lighting fixtures. 360° wrap around tube truss clamp Fits 3/4 inch / 20mm truss. Securely mounts fixtures to truss. Non scuffing - Non scratching - Non scoring - Non denting. Maximun weight limit: 9 kg.