4 Inch 100mm Brass CALIPER Sliding Vernier Ruler Gauge Gem Tool Bead Measuring Inch, Big Horn, Mfr#: 19208$17.19+
Johnson Level 1889-0600 0-6''/150MM Fractional Stainless Steel Digital Caliper, Johnson Level & Tool, Mfr#: 1889-0600$87.21+
Dasqua 0-600mm/0-24" Jaw Length 100mm Heavy Duty Digital Caliper, H & H Industrial Products, Mfr#: 2220-8116$322.99+