FRP Square Tube: To be used in building industries and to be replacement of steel products ProfileSize in inchesLbs per Lin FtSize in mmKgs per Lin MeterSquare tube2x1/41.4050x6.42.101-1/2x1/40.9838x6.41.502-1/8x3/160.7454x4.81.101-3/4x1/80.6444x3.01.00