Products / CAMO / Marksman Pro X1 Guide Marksman Pro X1 Guide Fits any 5-1/4 in. (133mm) to 5-3/4 in. (146mm) deck board and creates automatic 1/16 in. (1.58mm) spacing Previous Next Play Video Product Description For use when installing treated lumberFastener-free surface: installs two patented CAMO Edge deck screws through the edge of the boardExclusively use with CAMO Edge deck screws that auger material out to reduce splitting and crackingFits any 5-1/4 in. (133mm) to 5-3/4 in. (146mm) deck board and creates automatic 1/16 in. (1.58mm) spacing Installation Instructions Hidden Edge Deck Fasteners: Available in pro-tech coated and 3/16 grade stainless1-7/8” and 2-3/8”Available in 100,350,700 and 1750 count.