Features: Lightweight, pointed design, compact structure, easy to carry. Handle is made of ABS plastic and the hardened & tempered carbon steel probe is chrome plated. The for sharp steel probe easily pierces wire insulation to check circuitry. Itcan be used to test the resistance, looking for short-circuit wires, test the power outlet. Rugged, fast, battery-less operation, convenient and economical. Designed for the detection of low-voltage circuit transport machinery failure designed to be used in vehicles, motorcycles, bulldozers, rollers and other transport machinery maintenance operations. Automotive circuit tester probes are made of steel for threading and feature large alligator clips for easy one-handed operation. Also, it can reach narrow areas that are difficult to reach. The ABS body has exceptional durability as it is shatterproof. Top quality PU wire that provides thermal insulation, abrasion resistance and tensile strength to test automotive lighting. Specifications: Material:Plastic Length: Approx.15cm/5.9inch Package Includes: 1x Test Pen note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.