Have your barns or steel gates become stiff over the years then it is time to replace their rollers westfalia now has gate rollers complete with stirrup in all the popular sizes in its range all roller types made of quality grey iron with protective coating and roller bearing with basket the hangers are galvanized with a single sided extended hub and slide pin clearance between slide pin and slide rail 2 3 mm 4 pieces in the pack 159079 60 mm diameter 25 35 mm guide rail he