manufacturer: Park Tools USA

BBT-5: fits Campagnolo cassette lockrings and Campagnolo Record, Chorus, and Athena bottom brackets.
price: $8.95
FR-1: fits all Shimano(R) freewheels since 1985, Unglide(R) before 1985; S.I.S.(R) and Sachs Aris(R) freewheels.
price: $7.49
FR-2: fits old style Sun Tour(R) two notch freewheels. Not recommended for Sun Tour(R) four to six notch freewheels.
price: $6.49
FR-3: Fits all Sun Tour(R) four notch freewheels since 1986.
price: $11.95
FR-4: fits Atom(R), Regina(R), splined Zeus(R), and some Schwinn Approved(R) freewheels.
price: $5.95
FR-5: Fits most cassette lockrings. (Note: you must hold freewheel with a Park Tool Sprocket Remover SR-1 or SR-2)
price: $5.95
FR-6: fits most popular four notch BMX freewheels, including 14mm oversize axles.
price: $13.49
FR-7: fits Falcon freewheels.
price: $6.95
FR-8: Fits BMX freewheels with 30 x 1mm threads.
price: $12.95