THE BRAKE DRUM COUPLING CAN BE USED WITH ALL KINDS OF BRAKES WITH SHOES, ELECTROMAGNETIC, HYDRAULIC, PNEUMATIC, AND MECHANICAL OR MANUAL BRAKES. THE COUPLING COMPOSES OF TWO FLANGES, BUSHES AND PINS. ONE FLANGE IS PLAIN AND THE OTHER IS WITH DRUM. THE PINS WITH NUT, SPACER, WASHER, ETC, ARE ANTI-RUST PLATED TO PREVENT RUST. THE BUSHES, WHICH ARE THE FLEXIBLE MEMBERS OF THE COUPLING, ARE MANUFACTURED FROM NEOPRENE RUBBER WITH NYLON LINER TO REMAIN UNAFFECTED BY WATER, DUST AND GENERAL INDUSTRIAL CONDITIONS. THE BRAKE DRUM FLANGES ARE TWO TYPES: ONE DRUM WIDTH IS CENTER OF BOTH FLANGES AND OTHER DRUM WIDTH IS TOP OF DRUM FLANGE. THIS COUPLING IS A AVAILABLE IN FIFTEEN SIZES.