LFA Industries 322-3/8 0-1/2-0-.13mm Capacity 3/8-24 Threaded Mount Keyless All Steel Ball Bearing with Super Holding Drill Chuck Keyless All Steel Drill Chuck LFA Industries 322-3/8 Threaded Mount All Steel Ball Bearing 0-1/2-Inch-0-.13 mm Capacity, 3/8-24 Threaded Mount Made in France over 85 Years