New RTA Tie Grading Guide FREE Mobile App for Smart Devices


The new RTA interactive Tie Grading Guide Mobile App features specifications, defect explanations and real-life examples of Grade, IG, and Cull ties, along with tie grading videos. Users can interact with instructors via email and view dozens of pictures. A handy tie defect guide to learn how to grade ties now available for your smart device!

Search your App Store for the Tie Grading Guide. This NO COST download is ad free!