F&B Ruberized, Inc. rollers are the most rugged and economical bobbin available.

The rubber discs are cut from earth mover tires into mutiple sizes. The discs are pressed onto a steel sleeve starting with the smallest disc and working up to a cone shape. this takes about 4-5 rubber discs. A choice of hole sizes are available upon request: specify 2 3/8", 3", 3 1/2".