• Minimum Measurement (Inch): 0 • Maximum Measurement (Inch): 4 • Base Length (Decimal Inch): 2.5 • Number of Rods: 4 • Thimble Type: Ratchet Stop • Ratchet stop • The integrity of the measurements are maintained throughout the total range of the measuring rods. However the measuring rods must be kept as a set and may not be interchangeable with other depth micrometer sets. • With Rods, Torque Wrench, Warranty card, Instruction manual