Get an easy handle on these Hermann Oak 5/8" Martin Saddlery Roping Reins. This roping rein rein is 5/8" wide, Hermann Oak Harness Leather. Martin Saddlery is dedicated to giving you the most Fit, Function, and Value in a saddle. Mart saddles are built by professionals, for professionals. Each Martin saddle is hand-crafted and individually assembled by the finest of craftsmen.