CRL 12" Production Oil T Cutter Mirror Cleaners and other materials engineered to AG Series Plated Diamond Drill Bits and other materials engineered to remain flexible throughout their service life (not recommended for use with glazing putty or other materials that harden over time) These CRL Plastic Dispenser Bottles provide the easiest and most economical way to use Concentrate Glass Cleaner These all aluminum cutters are built on an extra strong hexagonal frame that will provide years of service A large capacity oil reservoir automatically delivers exact amounts of cutting oil to the precision ground carbide cutting wheel ensuring low maintenance and long service life