Genuine Alko - Auto reverse brakes shoes in common use on Alko and Indespension Axles.              

These are probably one of the most common used brake shoes of the last decade.

Popular with Trailers, Caravans and Boat Trailers. Widely used by Blue Line, Ivor WIlliams and Indespension.
200x50 refers to the diameter of the brake drum and the width of the shoe respectfully.
Complete with retaining springs