This has to be the simplest way to screw down decking, leaving a clean deck finish as the screw heads are concealed, the Kreg DeckJig™ allows you to drill the hole and screw down the decking in two easy steps.There is a choice of 3 hole positions, each has a hardened steel bushes to take the drill then screw, the bush is set at an angle to the edge controlling where the pilot hole and screw are positioned as well as controlling the depth. This jig ensures a strong fix through the edge of the board into the frame every time.The kit is supplied with board spacers 6.3 and 8mm spacing, 100 Protec-Kote™ screws, operational DVD and case. Kreg weather resistant Protec-Kote™ or Stainless steel screws available.