System eliminates the damage to deck boards by hiding all fasteners beneath deckboards. Holds boards tight to eliminate any surface penetration. No moisture can enter deckboards or joists and cause nail penetration. No moisture can enter deckboards or joists and cause nail or screw pop-ups or deck rot. No stains or splinters form around fastener holes. Corrosion resistance. Powder coating"s natural wood color blends with the understructure of balconies. For: 1-1/4" thick boards and composits 1-1/8"or more. Consumer pack includes: 10 brackets, (120) 10 x 1-1/4" deck board screws, (110) 8 x 1" joist screws, and a pro bit tip. Contractor pack includes: 100 brackets, (1200) 10 x 1-1/4" deck board screws, (1100) 8 x 1" joist screws, and a pro bit tip. Use the Contractor pack for large decks.