4 in 1 Multi-Function Tile Brush One set contains 4 scrubbing brushes, specially designed for deep cleaning around the house. The three versatile joint brushes. Specially designed for corner cleaning. The sturdy bristles are cleaned and bundled into a special shape. Each brush adopts a wide range of designs, with a curved non-slip handle, which fits your hand perfectly and can provide you with powerful movements. Flat brush length: 14cm, used for tile grout, floor cleaning or laundry facilities Long brush: 19.3cm length, used for wall tiles, sill bars or window frames . Curved brush: 13.5cm long, used for shower door header, sink drain, cooker and turntable. Long handle brush: 25.1 cm long, used to join tiles or window frames.