An inspection mirror set with a twist-preventing telescoping rod and three types of mirrors. [Features] The angle of the mirror can be adjusted freely, improving visibility during work. Magnetic type allows you to easily replace the mirror. The oval-shaped telescopic rod prevents twisting and wobbling during long-term use. The rod can be expanded and contracted from a total length of 170mm to 670mm. Powerful neodymium magnets can catch dropped parts in tight spaces. The LED light built into the tip of the rod allows you to see objects even in the dark. Comes with a special case to safely store and transport the mirror. [Application] For inspection of places that cannot be checked directly. For inspection of narrow spaces such as inside and behind machines, around car engines, etc. [Specs] Mirror size: φ30, φ40, 25×50mm Total length: 170-670mm Power supply: Alkaline button battery 1.5V diameter 7.9 x 3.6 Weight: 293g Materials: Mirror/Glass, Frame & Rod/Stainless steel, Case/Polypropylene (PP) & EVA, Non-woven fabric/Polyester silk fabric Accessories: Test battery