? Product Description Drill bit grinder drill bit point sharpener ? Grinding capacity 10mm-80mm? ? ? ? ? ? Our Services ? WHY CHOOSE BLUESTAR BRAND MACHINE TOOLS: 1) High quality with competitive price 2) More than 10 years export experience 3) CE,SGS, ISO Certificated 4) OEM SERVICE AVAILABLE 5) 24 HOURS’ ONLINE SERVICE FOR PROBLEM SHOOTING (SKYPE,Trademanager) 6) 12 months quality warranty ? ?