A quick reference guide for flange assembly, stud sizes, stud lengths, wrench sizes and recommended torque patterns and torques. No charts or sheets to go through just put the flange size, flange rating and flange type you are looking to assemble hit the wrench Icon an your stud sizes, stud lengths, wrench sizes and recommended torques will appear. Push the wrench again and the recommended torque patterns will be shown with sequence. Made for Pipefitters by Pipefitters.