Thin .090 width.Tough zirconium grain.High performance cutting and notching for the toughest applications., Unique, thin Type 27/Type 42 shape can be used on all angle grinders in accordance with ANSI B7.1.Special bond formulation offers the fastest cutting, longest lasting thin wheels.Externally reinforced with fiberglass layers to provide ultimate safety in a thin wheel.Reusable 5/8-11 adapter for use on Type 27 / Type 42 reinforced wheels with a 7/8 arbor, and a maximum diameter of 5" and a wheel thickness of .045" to 1/8" is available in accessories. Part #95055.