Gem Bids For Supply, Internal Micrometer Digital, Range 6-12mm, Internalmicrometer Digital, Range 12-20mm, External Micrometerdigital, Range 0-25mm, External Micrometer Digital, Range 25-50mm, External Micrometer Digital, Range 50-75mm, External Micrometer, Blade Type Digital, Range 0-25mm, External Micrometer, Blade Type Digital, Range 25-50mm