Products / CAMO / Marksman Pro NB Guide Marksman Pro NB Guide Fits any 3-1/4 in. (83mm) to 5 in. (127mm) deck board and creates automatic 3/16 in. (5mm) spacing Previous Next Play Video Product Description For use when installing any narrow board—treated lumber, cedar, hardwood, composite, and PVCFastener-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 3-1/4 in. (83mm) to 5 in. (127mm) deck board and creates automatic 3/16 in. (5mm) 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.