1.5mm diameter carbide probe tip, 8mm diameter shank,80mm Length. Tungsten carbide contact point are resistant to wear and magnetic fields. Carbide Pin Probe Measuring Inserts compatible with TESA Fowler/Trimos Height Gauges etc. 1.5mm diameter carbide probe tip, 8mm diameter shank,80mm Length. Package included:1 Pin Probe Insert . Item Weight 1.2 ounces Manufacturer suxing Item model number Pin-D8 Package Dimensions 5.31 x 1.65 x 0.47 inches Is Discontinued By Manufacturer No