C. Sherman Johnson Add A Cleat. Construction consists of a husky stainless steel bracket and clamp with a 4 1/2 nylon coated aluminum cleat. Use them for fenders and flag halyards. Installation is easily made with a screwdriver. Specifications for C. Sherman Johnson Add-A-Cleat: Manufacturer: C. Sherman Johnson Color: Black Package Contents: C. Sherman Johnson Add-A-Cleat C. Sherman Johnson 40-506: Add A Cleat