Features:1. This is a high precision measurement tool that could quickly locate workpiece edges.2. Suitable for traditional milling machines and integrated processing machines.3. Mechanical rotation measurements, no clamping error.4. The lower end of the rotation part is non-magnetic.5. Small volume for use in narrow space.Specification:Material: Staibless steelTotal length: 8.5cm/3.35inShank diameter: 10mm/0.39inPackage weight: Approx. 50g/1.7ozPackage list:1 x Mechanical Edge FinderNote: 1. To ensure measurement accuracy, please do not touch the probe directly with your hand.2. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item.3. Please allow slight error due to manual measurement. Thanks for your understanding..