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1/8" round shank compatible with Quick Change graver holders
5° side relief surfaces ground approximately 0
mounts right or left side Notes
each pack contains 25 needles suited for studio
9 mm (at thickest point) Profile Parallel in thickness
Calcite Dichroscope Crafford Laser Star 1/8" round shank compatible withThe calcite dichroscope is used to determine whether a gemstone is dichroic, displaying two distinct colors when viewed from different directions. This property helps differentiate stones of similar body color and is especially useful for examining rough material or mounted stones where other instruments are difficult to use. Features Reveals whether a stone is dichroic (shows two colors) Assists in distinguishing gemstones of similar appearance
