SDS bit holder set (1/4", 3/8", 1/2"), magnetic extension for SDS Plus screwdrivers

Carbide-tipped adapter for maximum durability; robust construction ensures a long service life. Ball detent design allows for quick connection and disconnection and ensures it stays in place while driving. The universal SDS plus shank fits most screwdrivers, drills, and electric chucks. Its small size allows you to take your drill extension anywhere for any job and it can be stored in many tool bags. Includes a hex socket and three different-sized square adapters so you can use the right one for different needs.