Competition Field Corner Bracket replaces the top or bottom Corner Gusset to ease assembly Standard Field: Uses identical top and bottom Corner Gussets Corner Gusset To attach the Competition Field Corner Bracket insert a 1/4-20 bolt in the upper and lowermost holes and tighten with a wingnut as shown. Note: The Competition Field Corner Bracket MUST be used in conjunction with a Corner Gusset on either the top or bottom of the field wall. Failure to do this may result in damage to the field perimeter. Competition Field Corner Bracket 1/4-20 Wingnut (4X) 1/4-20 x 1/2" Bolt (4X) Description Dwg No Project Release Competition Field Corner Bracket 276-4604 - Drawing 20150409 EDR 4/29/2015 Sheet 1 of 1 ALL DIMENSIONS ARE IN INCHES.