Digital 3-Point Inside Micrometer Set Range 2.76 in to 3.95 in Resolution 0.00005 in 0.001 mm IP Rating IP54 SPC Output Yes Data Output Type Cable Movement of Screw 1 in Coolant Resistant No Inside Micrometer Type 3-Point Inside Micrometer Number of Measuring Rods 0 Number of Micrometers 3 Operation Type Digital Thimble Type Ratchet Stop Battery Size CR2032 Case Included Yes Contact Point Material Steel Contact Point Shape Curved Display Type LCD