4-piece kit. Includes: (1) 18" long flexible rod with removable handle; (1) 18" long extension rod; (1) large 2-1/2" diameter lint trap brush; (1) 4" diameter dryer vent brush. The auger brush and flexible rods reach 42" and easily manuever turns to remove hazardous lint in dryer vents up to 6' (12' extension kit available for longer vents sold separately). Reduces risk of fire and increases the life of the dryer.