Brackets are one piece, heavy duty hot dip galvanized 11 gauge steel, specifically designed to support keel rollers. Slots accept 7/16" or 1/2" diameter bolts and provide vertical roller adjustment. Hot dip galvanized for lasting protection. Roller shaft diameter can be 1/2" or 5/8".

 PROP 65 WARNING: This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For more information, visit www.P65Warnings.ca.gov