Vernier scale provides precise measurement through a second sliding scale that indicates where measurement lies between marks on the main scale. A calibrated screw mechanism supports fine, uniform slider adjustments. Measurement range of 0-300mm, and graduated to 0.02mm. Vernier scale for precise measurement in fine units. Adjustable zero reference point for manual change of the base position. Hand-operated slider with fine-adjustment carriage for precise feed Carbide-tipped scriber for hardness and to help prolong life.
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