Home Products Power Tool Accessories Masonry Drill Bits Spline 2-Cutter Masonry Drill Bit 1″ Cutting Length 11″ Overall Length 16″ Spline 2-Cutter Masonry Drill Bit 1″ Cutting Length 11″ Overall Length 16″ (83824) 2 cutter spline Self-centering tip for precise drilling Crushes 20 times faster than standard masonry drills Find a Retailer