Keyless 3/16"-3/4" Drill Chuck With Morse Taper #4 MT4 Arbor$$Tools & Hardware Other

Clamping Range: 3/16-3/4". Shank Taper: 4MT Morse Tapter #4 Accuracy: 0.005" Self-tightening key-less feature automatically increasing gripping force, high reliability, and stability. Special quenching treated key parts increases durability. Suitable for drill presses or lathes spindle accepts MT4 Arbor.