Durston Jump Ring Maker Gemstone Testing Save time and trouble when

Save time and trouble when work demands repetitive blade changes

Width: 16mm

This hinged gem box features a clear-view glass top that permits an unobstructed view of its contents and securely holds a gemstone in place for display or for hand-held viewing

Tip: Dry batches of grain in the strainer by setting it on top of or inside your burnout oven

703 ounces (19

Durston Jump Ring Maker Gemstone Testing Save time and trouble whenManufactured in England by Durston, this jump ring maker allows you to easily create your own jump rings with 1230 gauge non ferrous metal. Each of the included 20 round jump ring mandrels features a hole to secure the wire while it is being wound. The 4 sided coil holder offers four different depths to accommodate a wide variety of round coil diameters. High speed steel replacement cutting blades are available separately.