Faithfull Aluminium Chalk LineThe Faithfull Aluminium Chalk Line offers quick and effective line marking when building or decorating. With a 6: 1 rewind gearing, making it 6x faster than traditional reels. It has an instant release push button, which allows the line to be pulled out rapidly, bypassing the winding mechanism. The die cast aluminium body contains a 30m line reel, which passes through a reservoir of coloured chalk (not supplied). It becomes coated as it is reeled out.