The Freud Diablo Tools SDS-MAX FCH 4C 27/32" x 16" x 21" (model DMAMX1165) is designed for heavy-duty drilling in concrete and masonry. This bit features a diameter of 27/32" and a length of 16", making it ideal for deep drilling applications. The SDS-MAX shank ensures a secure fit in compatible rotary hammers, providing optimal performance. Constructed from high-quality materials, this bit offers durability and resistance to wear. It meets industry standards for safety and performance, making it a reliable choice for contractors and construction professionals.