Roughneck Narrow Brush Set contains one each of nylon, stainless steel and brass bristles. Each brush has a TPR soft grip handle and they are suitable for general cleaning, the preparation of most types of small surfaces and also cleaning small parts such as contacts on spark plugs. This wire brush is ideal for cleaning patios, decking and barbeques. It can also be used for cleaning paint, rust, damp patches from brickwork, metalwork etc. Each brush is 7 inch with 3 rows of 10 sets of bristles.