This CRL Carbide Replacement Carbide Wheel Glass Cutter is widely used in the glass industry among people working with thick glass. It is the same exact cutter supplied with the BR1 Heavy Glass Breaker. It has a ball end handle that is very popular with professional glazier's and also features a 148º hone angle on the wheel with a phosphor bronze axle, the finest known bearing for glass cutter wheels. Each cutter goes through 28 operations with nine key inspections during the manufacturing process. Then it is tested on glass to make sure a smooth, clean cut edge is produced.