Model1199w-616 Detailed ?Fully protected against the penetration of liquids and Antimagnetic ?IP65 or IP67 prevent dust, spraying water or oil from entering the caliper through effective encapsulation of the main parts ?auto power off ?Zero setting at any position ?Inch/mm conversion at any position ?Four-way measurement Order No Range Resolution A B C D 1199W-616 150mm/6" 0.01mm/0.0005" 40mm 16mm 16mm 3.2mm 1199W-626 200mm/8" 0.01mm/0.0005" 50mm 20mm 16mm 4.0mm 1199W-636 300mm/12" 0.01mm/0.0005" 60mm 20.5mm 17mm 4.0mm