The Weiler Tiger AO Metal 4-1/2" Cutting Wheels are a high-quality option for metalworking projects, compatible with both angle grinders and die grinders. With a durable premium aluminum oxide grit type, these cutting wheels offer efficient cutting performance. The 10-pack of Type 27 A60T wheels have a 5/8-11 arbor hole size, a 4.5-inch wheel diameter, and are made of abrasive aluminum oxide material. Ideal for various cutting and grinding tasks, these cutting wheels from Weiler are a reliable choice for professionals in the metalworking industry.