The PA reinforced insulation housing and 2mm / 4mm tip punctures probes ensures durability in high temperature environment while maintaining secure connection without wire damage during automotive diagnostics Their robust design ensures they won ' t easily break or damage, providing you with a reliability tool for all your electrical testing tasks Professional electricians and automotive technicians will appreciate the lightweight design for fault detection in car electrical systems, commercial vehicles, or industrial equipment maintenance scenario , noninvasive circuit testing with these 4piece insulation punctures clips featuring plated copper probes and 10A / 1000V voltages capacity, designed for seamless compatibility for TP81 multimeters and similar voltages / thermometers testers These probes enable direct with insulated wires, eliminating the need to cut or strips insulation This feature not only saves time but also preserves the integrity of your wires, making it essential tool for safe and effective electrical testing, Manufacturer: Piceioep