Bosch 18" SDS MAX® Core Bit Extensions MIL252721 Up to 50% lighter than

Up to 50% lighter than gas

Variable speed dial for setting blade RPM to your application

Adjustable handle for operator comfort and safety

Works with Bosch SPEEDCORE™ SDS-plus® pilot bits and extensions

Heavy Duty Gusset Bracing

Bosch 18" SDS MAX® Core Bit Extensions MIL252721 Up to 50% lighter thanSDS max rotary hammer bits fit Bosch SDS max hammers, but also competitive SDS max drive hammers and Hilti hammers using TE Y and TE FY shanks. Maintains precise grip for precise drilling. Bosch 18 In. SDS max core bit extension For use in concrete Manufactured to ANSI specification B212. 15 Bit extension in excess of 8 should not exceed 600 RPM