This recall involves two models of Craftsman 12 amp electric blower/vacs. The blower/vacs have a red motor housing and a black blower tube and restrictor nozzle, and measure 12 inches high by 34 inches long. Blower/vacs with model number 138.74898 or 138.74899 are being recalled. Model 138.74898 has a variable speed switch and a serial number between SES0100001 and SES1951280. Model 138.74899 has a two-speed switch and a serial number between SER3561101 and SES2141280. The model number, serial number, “Craftsman” and “AC BLOWER / VAC” are printed on the side of the motor housing.