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			For lighter duty surface cleaning a Crimped style Cup  Brush is appropriate.  Crimped wire is less rigid than Knotted and can get into crevices more easily.  Milwaukee offers a full range of Crimp and Knotted Wire Cup Brushes.  This Crimp Wire Cup Brush is designed to be used on 4-1/2 or 5 inch Milwaukee Grinders (6145, 6146) with 1/2-13 threaded spindles.  Made from carbon steel wire.