Stone Setting Burs made by Fox Burs in Germany. Burs are made of Tungsten Vanadium Steel for strength and durability. These fine Tungsten Vanadium Burs are made to the most rigorous quality standards and exceed ISO specifications. Burs are made with the high quality raw materials, in the state-of-the-art facilities. The precise fluting will guarantee the same smooth and even quality cutting and finishing. The Stone Setting burs are pointed with straight sides. These burs are primarily used by Jewelers for Stone Setting, for cutting precise stone seats in prong settings, bezels and for tube settings. NOTE: This is our largest set with a full range of burs smallest 1mm up to 7mm sizes JEWELERS STONE SETTING BURS SET JEWELRY BURS FOX BURS - FIG 413 - 3/32" SHANK Set Size Range: 010 - 070 (1.00mm to 7.00mm) Sizes Included: 010 012 013 015 017 020 023 025 030 035 037 040 042 045 047 050 060 070 Bur Shape: Stone Setting