Our MAX-LOK™ SDS MAX Extension provides you with increased access in tough to reach areas and around obstructions. The extension is universal, fitting all brands of SDS MAX rotary hammers and accessories including but not limited to drill bits, chisels, core bits, and anchor installation solutions. By increasing accessibility and decreasing the number of drill bits needed to complete a job, the universal SDS MAX extension allows you to Reach More and maximize your productivity.