Features:This pair of test tools can easily pierce the power cable.With special spring machanism design， it is easy to use.With 4mm socket， it is convenient to connect with multimeter testing probe.Widely applied to vehicle maintenance， electrical test or industrial test.Specifications:Material: Polyamide + Brass + Stainless SteelFinish: Nickel PlatedRated Voltage: CATIII 1000VRated Current: Max.10ASocket: 4mmItem Length: 16cmItem Weight: 46g / 1.6ozPackage Size: 16 * 11 * 1cm / 6.3 * 4.3 * 0.4inPackage Weight: 47g / 1.7ozPackage List:1 * Pair of Piercing Test Tools