This support bracket, with keel rollers included, can be installed on a boat trailer to support the bottom part of the boat, which makes it an indispensable boat trailer part. Since the width of our bottom support bracket can be adjusted, it is perfect for boats from 80 – 124 cm wide, which suits both big and small ones. Constructed of high quality zinc-coated steel, this bottom support bracket will certainly offer you a long-term service life.