Linen Tester Magnifier with Foldable Metal Frame, 5x

This linen tester magnifier features a 5x fixed lens with an integrated measurement scale, housed in a durable foldable metal frame. The folding design enables compact storage and portability for use in laboratories, classrooms, workshops, and field settings. Suitable for textile quality checks, scientific analysis, circuit board inspection, and industrial measurement applications. The fixed-focus lens provides distortion-free viewing of fine patterns, surface textures, and printed materials.