(2) Mr Truss Triangle or Square Truss Adapter Bracket Tripod Stand Support T- Bar Package2 x Triangle or Square Truss Adapter Bracket Tripod Crank Light Stand Support Bar Lighting Compatible with Global Trussing ST-90 ST-132 ST-157Square or Triangle Truss Lighting Stand AdapterCompatible with Global Truss ST-90, ST-132 & ST-157Works with any Crank or Fixed Tripod Stand with 35mm PoleOverall Length: 17"Latches Slide from 4.5" to 13" (On Latch Center) and lock into placeSafety Cotter Pin Ensure the Bolt will not slide outUniversal T-Adapters for Truss & Lighting Stands