Drill Adapter w/ Keyless Chuck Features include... Drill Adapter with Ball Bearing Collar Keyless Chuck: 0 - 1/16" Range Super sensitive adapter system makes small hole drilling easy and prevents drill breakage. Light spring tension retracts the drill to starting position. 3/4" travel of depth control Hardened and precision ground shank: 1/2" Diameter x 2" Long Permits quicker setup and sensitive drilling on big machines as well. With Graduated dial for accurate pre-setting of jaw-opening.
