JT1 Pro-Series Keyless Drill Chuck 1/64-1/4 inch Heavy Duty Self Tighten Fit for Electric Hand Drill Machine

Specification: Accuracy: 0.002 Clamping Range: 1/64-1/4 Feature: Self-tightening keyless feature. Special quenching treated key parts increases durability. High precision high gripping force high reliability and stability. Heavy duty design suitable for CNC Lathe/milling drill press and heavy duty hand tools. Package Included: 1 x Keyless Drill Chuck