Norseman Type 190-AG 1/2 Drill Bit is a Magnum Super Premium Jobber 135 Split Point drill bit that features a distinctive black and gold finish. Manufactured to NAS 907B specifications, it is crafted from premium hi-molybdenum steel and nitro-carburized for enhanced durability. This drill bit is designed to substantially outperform cobalt drills, especially when working with hardening stainless steel. Please note that the drill bit pictured matches the specifications for this line but may not represent the exact dimensions or shape of this specific bit. For more details, you can consult a store associate or call 330-877-3631.