For optimum, aesthetic screwing COBRA® SMART BIT •2-in-1 tool: drills and mills the deck board, for an clean finish •Stop on anti-tracking bearing with rubber buffer ring •3 Powerbolic® HSS steel interchangeable drill bits included •Chip cavity ADJUSTABLE BIT •Wood bit + Chamfering cutter with 5 cutting edges •Height-adjustable stop with allen key (included) •Compatible with Cobra M5x50 mm and M5x60 mm screws Thermally Composite Exotic woods modified wood Wood Exotic woods Softwood