Description Half Beams For The 5400mm Wide Looms Flange diameter: 940mm. Diameter of the core: 150mm including screw thread. Weight of each beam: 250kg. Shipping dimensions: 4700mm x 850mm x 850mm. Packaging: 10 straw rope packaging, plus wooden carton. Half Beams For The 3900mm Wide Looms Flange diameter: 800mm. Diameter of the core: 150mm including screw thread. Weight of each beam: 250kg. Shipping dimensions: 4700mm x 850mm x 850mm. Packaging: 10 straw rope packaging, plus wooden carton.