Diablo 3-7/8" SDS-Plus Carbide Tipped Thin Wall Core Bit

Diablo: 

Diablo’s SDS-Plus Thin Wall Core Bit range provide one of the fastest and longest lasting coring solutions on the market for concrete applications. Optimized with a unique brazing and hardening process, the carbide tips extend life and productivity, allowing users to drill fast, clean holes. Two ejector holes provide easy core removal. Optimized for maximum performance in corded and cordless SDS Plus rotary hammers.