ITEM NAME:Socket Bit Adapter Drill Nut Driver Power Extension Bar 3pc Set 1/4" 3/8" 1 BX Product Features: Turn your power driver/power drill/impact driver into versatile Drill nut driver set 1/4 hex shank to be quickly converted to three most commonly used square shank sizes: 3/8'' 1/2'' and 1/4'' Spring ball on the square head acts as a lock to prevent slipping, ensuring non-stop working Colorful rings: blue for 1/2, red for 3/8 and yellow for 1/4, to make it easy to recognize and pick up the one you need Suitable for screwdriver handle tools drive sleeve and quick change 1/4" chuck systems, or directly into drill chuck, change your hand bit set into a driven bit set. Product Specification: Material: Aluminum Alloy Beam angle are 45 adjustable for oriented lighting. All Sockets Standard 1/4" Hex Shank Package Includes: 1 x 1/4" hex shank to 1/4" socket)Socket Adapter 1 x 1/4" hex shank to 3/8" socket)Socket Adapter 1 x 1/4" hex shank to 1/2" socket)Socket Adapter.(1 x 1/4" hex shank to 1/4" socket)Socket Adapter. 1/4 hex shank to be quickly converted to three most commonly used square shank sizes: 3/8" 1/2" and 1/4". 1 x 1/4" hex shank to 3/8" socket)Socket Adapter.