The heavy duty Arch Frame is making for the Noth America market. the legs is Q345 tube, size is OD 42mmx2.3mm. the finishment is powder painted . Now our specification is 78"(H)*60"(W);78"(H)*48"(W);78"(H)*36"(W);60"(H)*60"(W);48"(H)*60"(W) and can make it according to your require.