Item Type: 3D Edge Finder Material: Aluminum alloy, tungsten steel Probe Ball Diameter: Approx. 4mm / 0.16in Measurement Direction: X, Y, Z axes Reciprocating Accuracy: 0.01 XY Deflection Range: 0-6 Z Direction Telescopic Range: 1mm Battery Type: 2 x 3V CR1616 button battery (including battery) Package List 1 x Probe 1 x Probe Needle 1 x Storage Box Exceeding the safe range may damage the probe and probe needle, and does not support the detection of insulating materials and insulating machine tools. 13 AXES DIRECTION: The 3D edge finder supports 3 coordinate measurement, that is, the X, Y, Z axes measurement directions, with wide measurement range. 2GOOD PERFORMANCE: The edge finder adopts a sturdy sealing shell, with good structural stability, excellent performance and high measurement accuracy. 3180 ROTATION: No need to rotate the spindle during measurement and centering, the probe can be rotated 180 degrees, more flexible and convenient. 4GOOD PROTECTION: Support dustproof and a small amount of dripping and waterproofing (not support long term dripping and washing), has long service life. 5FOR CNC LATHE: Equipped with 2pcs 3V CR1616 button batteries, easy to use at any time, widely used in CNC lathe positioning and measurement, etc.