Description: This Touch Plate is used to find the offset to your work piece on your CNC build. Our Touch Plates come with EDG connectors so no soldering is required to interface this sensor to your machine. This also allows for quick and easy plug and play addition and removal once the touch-plate is wired up and installed. Features: Preferred Material: Fine workmanship, bottom insulation, and more reliable use. High accuracy: When used, the knife is accurately aligned with high accuracy, and the output signal position accuracy is high. Oil proof and waterproof: The waterproof and oil proof structure has good durability during use. Good clamping force: The crocodile clamp is flat and smooth, and is clamped on the spindle blade with good clamping force. Long service life: Stable and durable, long-lasting and stable, with a long service life. Specifications: Material: Aluminum alloy Color: As Shown In The Picture Surface treatment: Anodized Diameter: 3.5 cm/1.38" Effective surface diameter:2.5 cm/0.98" Thickness: 2 cm/0.79" Cable length: 110 cm/43.3" Package Included:1Pc Note: 1. Please note that the photo does not show actual size please refer to Description for size details. 2. Please allow differences due to manual measurement thanks. 3. Due to the difference between different monitors the image may not reflect the actual color of the item.