Century Matte Black Single Cylinder Deadbolt Finish:Bright Chrome Nail killing wood boring bit design – Nail killing wood boring bit design – adds extreme durability to Bosch speed for nail embedded wood Reinforced reamer cutting edges – make this bit the first wood boring bit to drill through nails Optimized for wood and some wood with nails – combines superior drill speed with engineered nail cutting durability Fully threaded cone tip – pulls the bit through wood quickly and effortlessly Contoured paddle design – increases speed with faster chip removal Hex shank – improves bit grip and allows use with a variety of drill types Premium bit material – combined with innovation for great performance and life 5 Manufacturer Warranty 5 Year Warranty Installation Instructions ) 2 Hardware Finish Family Black Features Adjustable Backset