Our version is a nice twist on the classic. Pulling the standard 4-jaw chuck off (as shown) exposes a 1/2" drive on which you can mount all standard 1/2" mechanic's socket drives. It also has the added feature of being able to add 6 drivers - 3 slotted 5/16 to 1/2" and 3 phillips #2, #3 & #4 (sold separately) .
For complete versatility you can use standard hex bits (we sell an affordable 102 piece set - see the price lines). A 3-Jaw auxiliary chuck is also available, to grip round shank bits best.
Buy the brace and all 6 drives as a set and save. Made in Taiwan