The CT-MS SDSMAX(28) 7/8X18 from FIELD TOOL SUPPLY is a high-performance drill bit designed for heavy-duty applications. With a size of 7/8 inch by 18 inches, this SDSMAX bit is perfect for drilling into concrete, masonry, and other tough materials. Constructed from durable materials, it ensures longevity and reliability in demanding environments. The SDSMAX shank design allows for quick and secure bit changes, enhancing productivity on the job site. Ideal for construction and renovation projects, this drill bit is a must-have for professionals seeking efficiency and precision.