This car circuit tester is a handy device for checking the electrical circuits in your car. It has a rust-proof metal probe that can reach hard-to-access areas. It connects to most test and diagnostic equipment with a standard 4mm banana plug. It has good performance and accuracy for detecting faults and problems in your car circuits. Specification: Product Name: Probe Product material: stainless steel + PA Product weight: 20g Product size: 13.6*2.3*2.3CM (5.35*0.91*0.91inch) Reminder: Product size/pictures are manually measured and taken, please forgive me for a little deviation packing list: Probe*1 See more product details 1.Great Quality Materials: The car circuit tester has first-class material, such as stainless steel and PA. It is strong and flexible, and can test car circuits effectively without breaking. 2.Extensive Application: You can believe this car circuit tester gives you precise and dependable results for any testing task. It works well for non-destructive testing of cables, car repair, industrial field testing, and electrical testing. It is a versatile and useful tool for various scenarios. 3.Easily Use: Without stripping or damaging them, you can pierce and clamp cables easily with this car circuit tester. It frees your hands and is easy to use. It is also rust-proof and erosion-resistant, so you can count on its quality and durability. 4.Universal Design: Our car circuit tester is a practical tool that can connect to most test and diagnostic equipment, thanks to its 4mm standard female banana jack on end. 5.Easy Carrying: This car circuit tester is easy to take with you, as it is lightweight and compact. It detects high-voltage lines and matches with a multimeter or oscilloscope test leads for accurate testing. _x000D_