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Crack Magnifiers

Preferred by technicians in the construction industry for measuring the width of cracks in concrete, these crack magnifiers are also ideal for checking the cutting edges on drill bits and milling cutters. The key component in these magnifiers is the 45° angular stainless steel graduation plate in the base which has etched graduations of 0.1 mm and doesn't easily scratch like a glass scale will. Available with magnification factors of 6x, 8x, 10x and 12x.