Digital 3-Point Inside Micrometer Set Range 3.95 in to 7.88 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 4 Operation Type Digital Thimble Type Ratchet Stop Battery Size CR2032 Case Included Yes Contact Point Material Steel Contact Point Shape Curved Display Type LCD