calipers

木匠用卡尺测量木板的厚度。

The carpenter used ___calipers to measure the thickness of the wooden board.

我的车需要更换新的制动卡钳，因为旧的在刹车时会发出刺耳的声音。

My car needs new ___calipers because the old ones make a screeching noise when braking.