["brand new and high quality\nFeatures:\nThe probe of the for extra large magnetic field (type iii) is mainly used for the rectification of the emi's conduction.\nUse of a fully protected structure greatly suppresses electromagnetic interference from clutter in the external environment and improves the dynamic range of the entire system. It is beneficial to improve the position detection accuracy. \nThe wrist portion is also protected, reducing the impact of the hand on the probe.\nIncreased thickness for greater hand comfort.\n\nSpecifications:\nMaterial: Metal + Plastic\nOptional Styles: A(Type II), B(Type III)\nFrom large to small diameter: app. 55, 25, 16, 10, 10mm (2.17, 0.98, 0.63, 0.39, 0.39in)\nHeight: app.100mm/3.94in\nColor: As pictures shown\nQuantity: 1set\n\nNote:\nPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\nDue to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes:\n1set x Magnetic Field Probe (other accessories demo in the picture is not included.)"]