Features: - Accuracy: 0.005mm - Quickly locates workpiece edges - Probe is hardened and precision ground - No rotation required during measurement - LED light illuminates and beeper sounds when probe contacts conductive material - Safety spring mechanism returns the ball precisely to position if dislodged - Efficiently locates edges and saves setup time on milling machines, jig borers, and similar equipment - Equipped with a highly sensitive location sensor - Features a bright red LED light and audible alert for clear detection - Capable of detecting end surfaces, outside diameters, and inside diameters Specifications: - Shank Diameter: approximately 20mm - Overall Length: approximately 160mm - Ball Diameter: approximately 10mm - Battery: 1 x 23A 12V (10 x 28.3mm), not included - Head Material: Steel - Cover Material: Iron Package Includes: 1 x Electronic Edge Finder