LFA Industries 522-33JT 1/16-1/2-1.5-13mm Capacity 33 Jacobs Taper Mount Keyless All Steel Ball Bearing with Super Holding Drill Chuck Keyless All Steel Drill Chuck LFA Industries 522-33 Jacobs Taper Mount All Steel Ball Bearing 1/16-1/2-Inch-1.5-13 mm Capacity, 33 Jacobs Taper Mount Made in France over 85 Years