TheProX XT-TOPCM1M Top Section with 1M Top Length that fits F34 Series 12" anddesigned forElectric Motor or Manual Chain Hoist up to 4 ton.ProX Trusshas the most trusted staging support systems in the industryand is built to the highest standards of safety and performance. It's a rugged yet lightweight trussing solution perfect for mobile DJs, bands, outdoor performances, nightclubs, live mobile productions, or permanent installations.XT-SQ SERIES DIMENSIONS:Height: 11.42in / 290mm Width: 11.42in / 290mm Weight: 21lb per 3.28 ft / 9,5kg per meter Main Tube: 2in / 50mm Wall Thickness: .08in / 2mm Braces: .75in / 20mm Includes connecting hardware set.ProX Truss products utilize industry standarddimensionsto be compatible to connect to/with many other manufacturers trussing.COUPLER'S AND PINS ARE NOT INCLUDED W/ XT-TOPCM