Measures in inches and mm. This compact gauge is small enough to take everywhere. Overall length is just 3-1/2". Features large LCD screen for good readability as well as conversion and zero functions. Includes setscrew to keep jaws in place. Runs for one year on a 1.5V silver oxide watch battery (included). Measures inside and outside.
Measures up to 4"/100mm. Provides digital accuracy and portability at a very affordable price. Features large LCD screen as well as conversion and zero functions. Uses setscrew to prevent jaws from moving. Runs for one year on 1.5V silver oxide watch battery (included). Measures inside, outside, depth and step. Comes in fitted plastic box.
This caliper comes standard with a stone holding plate attachment for easy measuring for loose stones, watch crystals, beads etc. Convert measurement from millimeters to inches with a touch of a button.
Graduations with Vernier 0.001" and 0.02mm. Measuring capacities are 6" and 150mm. Depth of jaws is 1.6". Measures outside, inside and depth. Screw lock prevents jaws from moving to hold any measurement in place.
High quality Pocket Calipers made of Brass. Both measure up to 3-1/4"" (1/16" increments) and to 80mm (1.0mm increments). Notched tips are helpful for measuring internal diameters (ID). Can be used as a conversion tool for inches and millimeters. This Vernier model allows measurements to 0.1mm OD.
Pearl and Stone Gauge – Works great with baguettes! A precision-engineered gauge with measuring faces ground level with the back to stay flat for accurate measuring of pearls and all kinds of stones such as baguettes. Securely holds stones without slipping. Uses rotating dial gauge for fast, easy zeroing. It zeros out when closed, and opens automatically. Excellent for soft stones where gentle force is required. Accurate to 0.1 mm. Maximum opening 20mm. Measures 3.25“.
This affordable micrometer features 6.5mm diameter satin chrome measuring faces with micro-fine black graduations, friction thimble, locking lever and durable enamel-coated frame. Carbide-tipped for long wear. Includes wrench and box. Shipping weight: 0.68 lbs. Capacity: 25mm Graduations: 0.01mm
Aluminum gauge with holes for measuring stones and round extensions for measuring mountings. One side indicates millimeters, other side carats. Capacity: 1/32 to 4 carats and 2 to 11mm. Measures 4" diameter.
This precision degree gauge measures millimeters and lignes. An extra-fine quality, Swiss-made steel gauge. Far superior to the ordinary type in terms of construction, readability, convenience and finish.
Perfect for determining the size of loose or mounted stones when other methods are unavailable. Place the Gem Estimator on your stone pad, then place the selected diamond on the appropriate outline. You will be able to instantly tell the approximate weight of the stone. Works for emerald, marquis, pear-shaped, round and baguette stones. Made of flexible, transparent plastic. Estimator measures 9" x 4".