MILWAUKEE PLUS-LOK SDS-Plus Extensions provide increased access in tough to reach areas and around obstructions. The extensions are universal, fitting all brands of SDS-Plus rotary hammers and accessories including but not limited to drill bits, chisels, core bits, and anchor installation solutions. Due to their small profile design, the PLUS-LOK SDS-Plus Extensions are ideal for drilling deep through holes with drill bits 22mm and larger. Additionally, the auto-insert mechanism allows for tool free connection and ease of use. By increasing accessibility and decreasing the number of drill bits needed to complete a job, the universal PLUS-LOK SDS-Plus Extensions allow users to Reach More and maximize productivity.