Good durability: The 3D edge finder adopts multiple waterproof and dustproof , which can maximize the service life of the probe. CNC tools: Compatible with , GRBL CNC equipment, support coordinate hub, easy wiring, strong practicability. Light display: with signal light prompt, green light be displayed after booting, red light be displayed after triggering, which is intuitive and clear. PREMIUM MATERIALS: The case is made of anodized aluminum alloy with a flat anti-roll design, stainless steel needles and tungsten steel balls. Multi-function: Quickly find edges, find the center of the circle, measure the table shape, and solve the problem of workpiece positioning. Elements Type: 3D Edge Finder Material:metal Product model: V6 version TP06 Pen direction: ±X, ±Y, +Z. Unidirectional repeatability: Less than 0.01 mm. Touch protection distance: XY level: . ±4 mm/0.16 inches. Z direction: . 2 mm / 0.08 inches. Trigger life: 3 million times. Power supply: DC 5~24V Cable length: . 2 metres / 6.6 feet. Edge finder shaft diameter: . 6 mm / 0.24 inches. Color: Black+Silver Package Contents: 1 x 3D Edge Finder 1 x wrench 1 x cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.