10pcs Mini Brass Copper Collets Chucks for Twist Drill Motor Shaft Electric Grinder Rotary Tool. Corresponding to the inner hole of the spindle of the machine: 4.4mm. Material: Brass. i2.28f8ounyounyWF" style="box-sizing: border-box; -webkit-tap-highlight-color: transparent; outline: 0px; margin: 0px; padding: 0px; height: 9750.62px; position: absolute; top: 0px; visibility: hidden; width: 1113.63px; z-index: -1;">.
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