Accuracy: 0.005 mm Quickly locates work edges Probe is hardened and precision ground No rotation required during measurement LED light illuminates instantly and audible beep sounds when probe contacts a conductive workpiece Integrated safety spring mechanism returns the ball precisely to its seated position after disengagement Efficiently locates work edges, saving time when positioning on milling machines, jig borers, and similar equipment Features a highly sensitive location sensor, visible red pilot light, and audible beeper Detects end surfaces, outside diameters, and inside diameters Shank diameter: approximately 20 mm Overall length: approximately 160 mm Ball diameter: approximately 10 mm Power source: 2 × LR1 (1.5 V) alkaline batteries (not included) Color: silver Material: steel Package includes: 1 × electronic edge finder with original box Note: Color appearance may vary slightly due to lighting conditions and display settings. Measurement tolerance: ±1–3 mm.