三爪內(nèi)徑千分尺

1.適用于盲孔或通孔精密測量   For blind hole or through hole measuring.
2.有接長桿適用于深孔測量   With extension rod for deep hole measuring.
3.配校對環(huán)規(guī)   With set ring.
4.硬質(zhì)合金量面   Carbide contact points.

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