Durable polyethylene handle: Designed with a high-quality polyethylene handle, this 12.5mm test probe rod provides a comfortable grip that is non-slip and fatigue-resistant, enhancing testing efficiency during prolonged use. Professional 12.5mm experimental probe: Perfectly crafted for testing the protection of household and similar electrical appliances against electric shock, with a baffle thickness of 4mm and precise probe ball diameter for reliable results. Multi-functional accessory combination: Includes essential components such as a power connection cable and test probe ball, making it versatile enough to handle various testing scenarios with ease through one comprehensive solution. Safety guide: Comprehensive usage specifications emphasize using a push-pull force gauge for the 30±3N thrust test while avoiding contact with live parts to ensure safe and effective use of the experimental steel ball probe. Service: If you have any questions, please feel to contact us, and we will reply within 24 hours!