Brass Drill Chuck for 0.7-1.2mm Micro Drill Bit Fits 3.17mm Motor Shaft

Specifications: Material: Brass Clamping Range: 0.7-1.2mm Fits for Motor Shaft Diameter: 3.17mm Descriptions: Made of brass material. Ideal for combined use with a hand drill or electric drill to drill ABS wood board presspaper etc. Package Contents: 1 x Drill Chuck 1 x Drill Chuck Key