In certain situations where a test point is inaccessible, this tool allows for safe and efficient signal testing without cutting the wire insulation. It features a simple plug design compatible with standard multimeters or oscilloscopes. Application: Suitable for high-voltage testing with multimeter or oscilloscope test leads. Connection: 4 mm socket connection. Features: Sharp, hardened stainless steel needle pierces cable insulation without damaging the conductor; ideal for non-destructive testing in automotive, power, and industrial applications. Surface finish: Nickel-plated. Color: Red and black. Materials: Copper and nylon. Dimensions: 136 x 4 x 23 mm. Package includes: 1 x Red test clip 1 x Black test clip Note: Actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 mm.