It IS possible to replace just the rubber.

Look at Trico's website. The classic series blades and rubber are 33 series. They are stainless steel and look correct for old cars.

part # 33-111

www.tricoproducts.com

You can also buy rubber refills.

I'll have to go measure but I'm pretty sure I installed 11" on Ol' Roy.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)