For projects that require a smear-free finish, this Bear-Tex NEX Rapid Blend AO medium grit non-woven arbor hole unified wheel gets the job done with a smear-free resin binder formula. Ideal for light deburring and blending, this non-woven arbor hole unified wheel features a long-lasting uniform construction that holds its shape, requiring less wheel dressing. medium grit aluminum oxide stays durable over time, giving you a high-quality finish with a rapid cut rate.