Chris Loeffler is a project manager at Darex LLC, makers of Drill Doctor Drill Bit Sharpeners, Work Sharp Knife and Tool Sharpeners, and Work Sharp Woodworking Tool Sharpeners. Darex is a fourth-generation, family-owned business that designs and assembles its products in Southern Oregon. With over 45 years of sharpening experience and 140 full-time employees, Darex is an American company.