Pferd 82574 Knot Wire Cup Brush 6", F/C Twist Pferd Sale! from 9076 /per Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Knot Wire Cup Brush, 6", F/C Twist, Double Row, .023 CS Wire, 5/8-11" Thread SKU:PFE 82574