Lessmann LES47320140 Pipeline Brush 40 Knots 125 x 22.2mm Bore Steel Wire Lessmann Pipeline Brushes are specially developed for professional use on U and V-welds in the pipeline industry. These high-quality Lessmann brushes have a long lifetime and are quiet when running. They are especially narrow and therefore they are the perfect tool for cleaning all welds at tube connections. This Lessmann Pipeline Brush has the following specification: Wire: Steel Number of Knots: 40 Diameter: 125mm Width: 6mm Bore: 22.2mm Max. Speed: 15,000/bpm