WD-40 is a High Quality well known brand in the world of lubricating. WD-40 cleans and protects brushed metal surfaces, cleans paint from paint brushes, prevents slugs climbing plant pots and lubricates and protects secateurs. WD40 can be used for multiple things both in and outside of the home. For best results spray can upright or upside down, do not spray on its side.WD-40 is a high quality well known brand in the world of lubricating. WD-40 cleans and protects brushed metal surfaces, cleans paint from paint brushes, prevents slugs climbing plant pots and lubricates and protects secateurs. WD40 can be used for multiple things both in and outside of the home. For best results spray can upright or upside down, do not spray on its side.