Digital Spline Micrometer IP65Series 331This Digimatic Spline Micrometer makes it easy for you to measure grooves and shaped parts. It offers you the following benefits:<ul><li>Anvil and spindle are of small diameter for measuring splined shafts, slots and keyways.</li><li>Excellent resistance against water and dust (IP65 protection level) enables this micrometer to be used in machining situations that include splashing coolant fluid.</li></ul>