The IRWIN 326003 Masonry Bit features a 3/16" diameter and lengths of 4-1/2" and 6", designed with a double-ground, extra-deep flute to efficiently remove debris for quicker drilling. Its construction from Chrome Vanadium Spring Steel ensures exceptional durability and an extended lifespan. Engineered to deliver increased speed and prolonged bit life, this masonry bit is an excellent choice for both professionals and DIY enthusiasts seeking reliable performance. Upgrade your toolkit with this robust bit and experience efficient, long-lasting results today!