Plastic tool to help with painting high or out of reach places Adjustable head - change the angle Tightener to keep your brush stable Please note that these are only suitable with screw-on poles (not push-on poles) Compatible with most types of screw-in poles, excluding premium brands such as Purdy and Wooster. Designed to be used with brushes with narrower handles/ferrules. May not work with thicker 3"/4" brushes.