A tightly woven, 100% wool fabric. The pile is brushed rather than sheared and is color fast. It stands up to repeated usage. For most hard substances including glass, ceramics, fiber optics and ferrous materials. Used for general rough polishing with coarser silicon carbides and aluminas.
PSA back means "Pressure Sensitive Adhesive" backing on the disc. "Plain back" has no adhesive backing.
Other sizes available upon request!