... 2.0 Acceptable Testing Machinery: Machine Name Brand & Model No. Quantity Number of Year(s) Used Condition Tongue 0-500 mm 3 5.0 ... Acceptable Micrometer 0-25mm, 25-50mm, 50-75mm, 100-125mm 4 5.0 Acceptable Vernier calipers 0-125mm, 0-150mm, 0-200mm, 0 ... -1000mm 20 5.0 Acceptable Bore gauge 0-18mm, 18-35mm, 35 ...