The #12 Polished Jobber Drill RH from Field Tool Supply is a reliable tool for precision drilling in various materials. With a diameter of .189 inches, this right-hand drill bit is perfect for creating clean holes in metal, wood, and plastic. Its polished finish minimizes friction and enhances chip removal, making it ideal for high-speed drilling applications. Constructed from high-speed steel, this drill bit offers excellent durability and heat resistance. It fits standard drill chucks and complies with industry standards, ensuring consistent performance and reliability for both professionals and DIY enthusiasts.