The (4-Pk) Tapcon Concrete Bit 5/32" x 4-1/2" #11249 is a set of four concrete bits designed for use with cement and drills. Manufactured by ITW BRANDS, these concrete bits are brand new and sealed. With a 5/32" diameter and a 4-1/2" length, these bits are ideal for various drilling applications in the home and workshop. The high-quality materials and construction ensure durability and efficient performance, making them a valuable addition to any tool collection.D-8