According to different band, strip brush can be called as single band strip brush and double band strip brush. From below photo you can see both of them. Left on is single band, and right one is double band. Single band strip brush This brush is also called as metal channel strip brush. It is made by U channel metal, and filling fasten by retaining wire. It can be made into many shape, such as straight strip brush in straight shape, single band roller brush in spiral shape, zigzag shape and many more. Stainless steel and galvanized steel are available for metal backing material. Single band strip brush is commonly used for sealing purpose for door, window or production line. It can be made to be a spiral brush by bending it in coils for rope cleaning, solar panel cleaning or road sweeping. Double Band Strip Brush Strip brush with double band is specially made for heavy duty application. Toothed outer band together with inserted inner band for fastening filling. Two bands locked leads to strong construction than single band.It is commonly made to be spiral roller brush for cleaning, deburring and polishing.  Strip brush with double band wound on steel tube with certain pitch or zero pitch to form a big roller brush. It's ideal solution for brushes need high speed rotating speed. It's seldom seen in straight shape as single band is better in straight shape.