6" LCD Digital Black Caliper Tool Gauge Ruler Micrometer , perfect for measuring the diameter on Coins, Stamps, Jewellery, Gemstones, Watches etc.

• 6" Inch Digital Screen
• Measurements in MM or Inches
• Range 0mm-150.00mm / 0 - 6 Inches
• Auto-Shutoff After 5.5 Mins
• SR44/LR44 1.55V or CR2032 3V Batteries Included