ProX XT-TADAPTER-U 2 x Triangle/Square Truss Adapter Bracket Tripod Crank Light Stand Support BarThe ProX XT TADAPTER U is set of 2 Truss T Adapter Bracket Support Bar Lighting Holds Square or Triangle Truss Fits on Tripod Crank Lighting Stand Features Compatible with: ProX: XT CRANK18FT 330, XT CRANK14FT 220, T LS132 Works with any Crank or Fixed Tripod Stand with 35mm 1 3 8" Pole Overall Length: 17" Latches Slide from 4. 5" to 13" (On Latch Center) and lock into place, Fits All Trussing such as F32, F 34, F 33 Safety Cotter Pin Ensures the Bolt