Wire Piercing Needle Tips Test Probe Insulation Piercing Needle Multimeter Testing Probes MaterialThe insulation puncture needle is made of high-quality copper nickel-plated metal parts and nylon shell, which is sturdy and durable to ensure stable performance and can be used for a long time. FeaturesThe cable sheath can be easily pierced for testing without cutting the cable sheath Used WidelyIt is widely used in non-destructive testing of cables such as automobile maintenance, power testing, and industrial field testing. Easy to Use4mm socket, convenient to connect with banana multimeter test probe. The pair of clips can easily pierce the power cord. Color: black + red Size: about 159mm long Quantity delivered: 2 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products.