Features: Engineered with high conductivity copper, these circuit test probes ensures stable current flows while preventing wire insulation damage during automotive electrical diagnostics. Precisions crafted needle tips penetrate insulation layers effortlessly for accurate contact, eliminating faulty readings in sensitive automotive electronics and advanced onboard systems. Ideal for professional auto technicians and enthusiasts working across multiple vehicle models and electrical systems, combining versatility with performances. Perfect for troubleshooting complex wiring in repair shops, roadside emergencies, or home garage projects where preserving wire integrity is critical. Compact copper design for extended durability, delivering consistent results across thousands of automotive electrical tests without tool replacement needs. Specifications: Component: Copper Weight: 60g Package Includes: 2 Set Electric Wire Piercing Probe note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.