Product Contents: You will receive 4 puncture probes in two sizes (2mm and 4mm), a sufficient quantity to meet your daily use and replacement needs.Universal Sizes: The insulation puncture clips come in two different pin sizes: 2mm/0.08 inch and 4mm/0.16 inch. You can choose the appropriate size according to your actual needs.Superior Materials: Our puncture probes are made of high-quality materials, making them robust and reliable, and not easily broken or . You can use them with confidence.Wire Protection: The puncture probes contact insulated wires without cutting or stripping the insulation, protecting the wires during testing.Wide Applications: These insulation puncture clip tools are widely used in equipment maintenance, electrical maintenance, and automotive maintenance. Suitable for testing multimeters, voltmeters, and thermometers.Color: As ShownMaterial: Plastic+SteelPackage Contents:1 * Wire Piercing Probe KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.