Designed for inspection of the rear as well as inaccessible areas of precision machinery. All models have an insulated handle except 65 27 01. The angle of the mirror head on these units is adjustable. Concave magnifying mirrors (38 mmФ, 50 mmФ) are available for 65 27 02 – 04 and also plain square mirrors (50 x 100 mm) for 65 27 02 and 03 available upon request.