* 【Adjustable】Adjustable Setting Block can be adjusted to any size between 1/64" and 1-1/16" with an accuracy of 1/64".
* 【Metal Material】Adjustable Setup Block Height Gauge is made of aluminum alloy, clear scale, easy to read, lightweight and sturdy structure
* 【Easy to Use】Depress the quick adjust button and slide the reference surface up or down to the specified height. Use the micro adjust to your exact size, then tighten the locking knob.
* 【Accurate Measurement】The "TOP" scale measures the height from the bottom of the base to the top of the reference board. The "BOTTOM" scale measures the distance from the bottom of the base to the bottom surface of the reference board.