Diablo's SDS Plus 2-cutter carbide tipped hammer stop bits provide one of the fastest and longest lasting drilling solutions on the market for concrete. Featuring a Stop Collar, these bits have a pre-determined stopping point for efficient shallow anchor installations. Optimized with a unique brazing and hardening process, the carbide tips extends life and productivity, allowing users to drill fast, accurate holes. Optimized for maximum performance in corded and cordless SDS Plus rotary hammers.