Eureka 63391-1 Airspeed Vacuum Cleaner Brush Roll Roller Beater Bar Complete Measures about 13 1/4" from end cap to end cap 63391-1 Replaces MFG Part Numbers 63391-7, 63391-2 63391-3 63391-4 Only for use with and will only fit the following Eureka Vacuum Cleaner Models, 4235AZ, 4236AZ, 4238A, 4239AZ, 4242A, AS1048A, SE4241AZ, AS1000A, AS1001A / AE, AS1004A, AS1004A-1, AS1049A, AS1050A, AS1051A, AS1052AX, AS1053AX, AS1055AX, SAAS1000A