[331-251-30]

[331-253-30]

[331-252-30]

[331-254-30]

[Features] Both measuring surfaces are thinner for convenient measuring the diameter of the groove of the spline shaft. The SPM-MX/SPM2-MX is a waterproof digital micrometer specification with an IP65 protection rating. Specifications: Measurement range: 0 - 1.0 inches (0 - 25 mm), Minimum display amount: 0.001 mm, Measuring surface dimensions: Φ3 x 10 mm, Constant pressure device: yes, Measuring surface: carbide chip included.