{"product_id":"swiss-fig-1-ball-burs-0-50-3-70mm-dentsply-maillefer","title":"Swiss Fig. 1 Ball Burs 0.50mm-3.70mm","description":"\u003cp\u003eSwiss Fig. 1 ball burs manufactured in Switzerland by Dentsply Maillefer from tungsten–vanadium steel. These are among the most popular burs carried by Otto Frei — many professional jewelers prefer them over higher-priced alternatives for their consistent cut quality and excellent value. Available in 27 sizes ranging from 0.50mm to 3.70mm, making them a versatile choice for setting stones, opening seats, and general metalsmithing work. \u003cstrong\u003eSold in multiples of 6 per size.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured in Switzerland by Dentsply Maillefer\u003c\/li\u003e\n\u003cli\u003eTungsten–vanadium steel construction for consistent cutting performance\u003c\/li\u003e\n\u003cli\u003eFig. 1 ball bur profile for precise, spherical cutting action\u003c\/li\u003e\n\u003cli\u003eWide size range — 0.50mm through 3.70mm — covering fine detail work to larger seat openings\u003c\/li\u003e\n\u003cli\u003eTrusted by professional jewelers for reliable cut quality and value\u003c\/li\u003e\n\u003cli\u003eSold in multiples of 6 per size for bench stock efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eBur Type\u003c\/th\u003e\n\u003ctd\u003eFig. 1 Ball Bur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTungsten–vanadium steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eDentsply Maillefer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSwitzerland\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e0.50mm – 3.70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold In\u003c\/th\u003e\n\u003ctd\u003eMultiples of 6 per size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eBur Size (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.176\u003c\/td\u003e\n\u003ctd\u003e0.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.177\u003c\/td\u003e\n\u003ctd\u003e0.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.178\u003c\/td\u003e\n\u003ctd\u003e0.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.179\u003c\/td\u003e\n\u003ctd\u003e0.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.180\u003c\/td\u003e\n\u003ctd\u003e0.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.182\u003c\/td\u003e\n\u003ctd\u003e1.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.183\u003c\/td\u003e\n\u003ctd\u003e1.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.184\u003c\/td\u003e\n\u003ctd\u003e1.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.185\u003c\/td\u003e\n\u003ctd\u003e1.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.186\u003c\/td\u003e\n\u003ctd\u003e1.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.188\u003c\/td\u003e\n\u003ctd\u003e1.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.190\u003c\/td\u003e\n\u003ctd\u003e1.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.191\u003c\/td\u003e\n\u003ctd\u003e1.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.192\u003c\/td\u003e\n\u003ctd\u003e1.80\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.193\u003c\/td\u003e\n\u003ctd\u003e1.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.194\u003c\/td\u003e\n\u003ctd\u003e2.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.195\u003c\/td\u003e\n\u003ctd\u003e2.20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.196\u003c\/td\u003e\n\u003ctd\u003e2.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.197\u003c\/td\u003e\n\u003ctd\u003e2.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.198\u003c\/td\u003e\n\u003ctd\u003e2.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.199\u003c\/td\u003e\n\u003ctd\u003e2.60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.200\u003c\/td\u003e\n\u003ctd\u003e2.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.201\u003c\/td\u003e\n\u003ctd\u003e2.90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.202\u003c\/td\u003e\n\u003ctd\u003e3.10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.203\u003c\/td\u003e\n\u003ctd\u003e3.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.204\u003c\/td\u003e\n\u003ctd\u003e3.50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e118.205\u003c\/td\u003e\n\u003ctd\u003e3.70\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto 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