First, use the hook at of the pliers to pull out the tab for unlocking. Second, use the point to grasp the tab and then squeeze the tab. Third, pull to separate the connector from the senor. The car electrical disconnect pliers allows you to use it with one hand, very convenient. This Tool Easily Removes Locking Push Tab Style Electrical Connectors Found on Mass Air Sensors, Injectors, Ignition Coils and Other Applications. Wire cutters are made of high-quality Material sleeve, wear- and , not easy to rust. High temperature forging quenching treatment, cutting.The oxidation treatment enhances the resistance, preventing rust and damage. The handle is ergonomically non-slip, and its concave appearance and grainy leave enough room for both hands to handle, allowing you to safely and smoothly complete disassembly and repair work. The 8-inch size makes the tool easy to carry and store, suitable for car owners to backup. Easily fit into a toolbox or in-car kit for emergencies, Weight: 1.84967837818 Pounds, Manufacturer: Frewurwer