Deckmaster DMP125-10 Powder Coated Hidden Deckbracket Kit, Galvanized Use with Deck boards measuring 1 -1/16" to 1 -1/2". Hollow-core composite decking measuring 1 -1/16" or more. 50 Year Warranty - ACQ Compliant Outstanding corrosion resistance Powder Coatings natural wood color blends with the understructure of balconies No metal shine between the deck boards - Spray painting the top of the brackets is eliminated