Features: Experience precise, noninvasive circuit testing with these 4piece insulation punctures clips featuring nickel plated copper probes and 10A/1000V voltages capacity, designed for seamless compatibility for TP81 multimeters and similar voltages/thermometers testers. The PA reinforced insulation housing and 2mm/4mm tip punctures probes ensures durability performances in high temperature environment while maintaining secure connection without wire damage during automotive diagnostics. Professional electricians and automotive technicians will appreciate the lightweight design for quick fault detection in car electrical systems, commercial vehicles, or industrial equipment maintenance scenario. These probes enable direct contact 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. Their robust design ensures they won't easily break or damage, providing you with a reliability tool for all your electrical testing tasks. Specifications: Component: Copper, PA Model:J.30039 Connection:Direct insertion; Surfaces Treatments:Nickel plated; Current and voltages:33V or DC70V (most) Length:Approx.19cm/7.48inch Option Tip: 4mm,2mm; Applicable scenario: circuit inspection, car maintenance Package Includes: 4pcs Wire Piercing Probe note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.