Experience the durable and efficient drilling of concrete blocks and bricks with Tapcon 11362 Carbide Tipped Drill Bits. These 3/16" x 5-1/2" bits are specifically designed to tackle tough materials, ensuring a precise and effective hole for your construction needs. The bundle includes four packs of single drill bits, each pack containing a drill bit with a length of 16 inches and a width of 3/16 inches. The drill bits are crafted by Tapcon, a trusted brand known for its high-quality and reliable tools. Ideal for professionals and DIY enthusiasts alike, these drill bits are a valuable addition to any toolkit.