Duo-Fast® Floor Fastening Systems has introduced the FloorMaster™ 250BN 16 Gauge Hardwood Flooring Finish Nailer, which provides installers with a faster, more accurate way to perform blind and face nailing when installing hardwood. The FloorMaster™ 250BN has a proprietary 45-degree detachable no-mar nailing guide, and no-mar pads that protect floors, walls and cabinets from marring, scratching or denting.