Wide Compatibility: Wire Wheel Cup Brush features a 3” cup size, compatible with all 4-1/2” angle grinders with 5/8” arbor or 11 UNC standard thread(M10 1.5). Wide Compatibility: Wire Wheel Cup Brush features a 3” cup size, compatible with all 4-1/2” angle grinders with 5/8” arbor or 11 UNC standard thread.
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