Spring loaded doubleV clamp centers the wire under the piercing needle for accurate contact and consistent results Enables contact with insulated wires without cutting or stripping insulation Leaves a tiny hole in the insulation that can be sealed easily after tapping Pierces insulation on wires from 22 to 14 AWG (0.030 inch to 0.180 inch diameter) Nondestructive insulation piercing saves time and preserves wire integrity Suitable for quick taps in electrical connections without disassembly or tool changes Typical use scenarios Automotive wiring: tap into dashboard or harness lines to add a sensor, tester, or indicator without stripping insulation Electronics prototyping: create temporary power or signal taps on alreadyinsulated prototype boards or cables Household appliance : add monitoring or test leads to existing insulated wires without cutting insulation Performance and compatibility Designed for reliable contact on insulated wires within the 2214 AWG range Maintains wire insulation integrity while providing a secure tap for the piercing needle Clear, straightforward operation suitable for technicians and DIY projects alike