RUTLAND Chimney Sweep Round Wire Cleaning Brush is designed with the DIY homeowner in mind, can withstand vigorous cleaning, and helps keep chimneys and homes safe. Made with sturdy, oil-tempered spring wire, this brush will last for a long time and make quick work of any chimney cleaning project. Cleans out soot, creosote, and any other buildup in masonry chimneys to increase efficiency and safety. RUTLAND round wire chimney cleaning brush designed to withstand vigorous cleaning 6-in. chimney cleaning brush is sized for easy maneuvering Male 1/4-in. NPT threaded connector easily attaches to rods and pull rings Made with sturdy, oil-tempered spring wire for long-lasting use Open, single spiral design with a plated shaft offers durable use For best results choose the brush size that matches the inside chimney flue measurements Rods: Use with RUTLAND #10624 (4 ft. rods), 10672 (6 ft. rods) or KRK-18 (18 ft. kit - six 3 ft. rods) Use in cool chimneys only