Precision Dial Z-Axis Setter Mechanical zero-setting instrument for CNC Machine Center Fast and sure establishing of 0 reference point with build-in indicator Positive alignment of zero position with easy reading indicator Spring loaded setting face to safeguard against damage from over-run Graduation: 0.0005" Positive accuracy and repeatability: 0.0004" Height Holding: 2" Square: 2.05" Fitted in Wooden Case Shipping Weight: 4 Lbs