Long Reach Thickness Gage This thickness gage is designed to help you measure thickness applications that are 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 2" Max Contact Travel 6.81" Arm Reach (Dimension L) 1.26" Contact Length Upper (Dimension A) 0.079" Contact Length Lower (Dimension B) 3mm Diameter Ball Tip on both upper and lower arms 0.001" Graduations