The Hilti 3/16"-7/8" KCM-MD Kwik Cast Combo Bit #2221707 is a high-quality core drill bit designed for use in a variety of drilling applications. With the ability to handle sizes ranging from 3/16" to 7/8", this bit offers versatility and efficiency for a range of projects. As a product of the trusted brand Hilti, this combo bit ensures durability and reliability in demanding industrial settings. Ideal for professionals in the construction and drilling industries, this tool is a valuable addition to any toolkit.