Shorter chimneys don't need a full-length kit, and this 6-rod set is sized for a 20-foot (6-meter) reach while still running off a power drill for fast, hands-free sweeping. Each of the six nylon rods measures 39.4 inches and connects with a detachable button locking system that won't loosen whether the drill turns clockwise or counterclockwise. The rod head is built from stainless steel that resists corrosion and keeps a bright finish after repeated cleanings, driving a flexible brush head with a 4 to 12 inch cleaning range that works equally well spinning forward or reverse. Sharp, rectangular nylon bristles sweep through flues measuring 12 to 24 inches across, clearing soot and creosote buildup from both metal flues and brick chimneys. At 5 pounds (2.3 kg), the kit is light enough to run by hand when you don't want to bring out the drill.