Guide is very useful tools for piping engineers and draftsman and other site technocrats who deals with piping dimensions, standards etc. The tools has the following features: 1) pipe schedule. 2) Pipe weight. 3) Fitting, flanges and valves. 4) Eccentric reducer dimensions. 5) Bare pipe spacing. 6) Socket weld and screws fitting. 7) design codes. 8) Dimensional standard.