Lock-n-Load quick change extension. Recommended for all 1/4″ grooved hex shank drill and spade bits requiring extra reach. 1/4″ shank. Slide back sleeve to release. Internal hex drive eliminates slippage. Simply load product in chuck until product locks. Follows 11/16″ and larger bits through hole. Carbon steel construction sleeve and…

Double set screw with Allen wrench. Recommended for all 1/4″ round shank drill bits requiring extra reach. Follows 5/8″ and larger bits through hole. 1/4″ shank. Only fits round shank Speedbor or Do it Best brand bits.

Extend reach when drilling with self-feed bits, auger bits and hole saws.

The 7/16″ Universal Quik-Lok extension has an innovative design that fits all 7/16″ shanks, with or without a power-groove. The unique design requires no tools to change out bits, making it fast and efficient. These high speed steel extensions are impact rated.