LFA Industries 85-9A-4JT 1/16-3/4 1.5-20mm Capacity, 4 Jacobs Taper Mount Plain Bearing Precision, Keyed Drill Chuck LFA Industries 85-9A-4JT Plain Bearing Precision Crafted Heavy Duty Keyed Drill Chuck All Steel, Keyed Drill Chuck with No.9/K4 Chuck Key Included LFA Industries 85-9A-4JT 1/16-3/4 1.5-20 mm Capacity, 4 Jacobs Taper Mount Manufactured To Last-For Quality and Excellence-Chucknology Made in France over 85 Years