Find it at Testequipmentusa Description Inside Micrometer Set, Rod Type Tubular, Resolution 0.00005 In., Range 0.750 to 2 In., Movement of Screw 1 In., Number of Measuring Rods 0, Number of Gauges 0, Thimble Friction, SPC Output Yes, Rotating Spindle (Yes/No) No, Lock Nut Type Screw, Rod Dia. 2.000 In.