Long Reach Dial Thickness Gage This Mitutoyo thickness gage is designed to help you measure thickness applications that are in hard to reach areas. When you have a lip or ledge that you need to get over to measure your parts, this easy-to-use, operator friendly gage provides a direct, fast and accurate reading. Specifications include... 0-2" Measuring Range 0.001" Graduations 2" Max Contact Travel 6.65" Arm Reach 1.2" Contact Length Upper 0.18" Contact Length Lower 1.5mm Diameter Ball Tip on both upper and lower arms