- Premium material: made of high-quality stainless steel and glass for long service life in automotive use. - Practical and versatile: 30 mm or 50 mm diameter mirror mounted on a ball joint for a full 360-degree viewing angle. - Adjustable length: the inspection mirror shaft can be extended and reaches up to 600 mm for access to tight or distant areas. - Multifunction: reveal hidden parts of your car such as part numbers, time markers, cumbersome nuts, and help you find important lost parts. - Use scenario 1: inspect engine bays or behind brackets to read part numbers or timing marks that are difficult to see. - Use scenario 2: work under dashboards or inside doors to access nuts and fasteners in tight spaces. - Use scenario 3: locate lost or hard-to-reach components during repairs, or search for hidden parts behind panels, wheel wells, or upholstery.