Ringwood Metal - Home brass, cz121, steel, en1a, en3b, he30, 6082, aluminium, copper, sheet, c106, c101, 304, 316, nylon, acetal, delrin, ptfe, pvc, round, tube, bar, flat, hexagon, square, gas, cages, security We stock bar, (round, square, flat, hexagon), sheet, tube and hexagon in steel, stainless, aluminium, brass, plastic,copper and much more. We manufacture Gas Security Cages and can make one to suit your size