Designed for 35mm Lighting Stands. Supports Truss Either 220mm or 290mm Wide. Supplied with Quick Release Locking Pins to Secure Truss onto the Adaptor. Bright Zinc PlatedDimensions: 235 x 418 x 50mm Weight: 3.8Kg. A universal truss bridge adaptor designed for use with most lighting stands featuring 35mm male upright. The adaptor accepts truss from 115-310mm in width.. truss adaptor