HR SERIES / River Runt. Shown in earlier catalogs as the RR series. The size is 2.5".
FHR SERIES / Floating Heddon Runt Style. The size is 3.25". Also referred to as FRR in 1938 catalog, a 1939 catalog lists the same lure as FHR.
PS SERIES / Petite Spinner. Size is 1.75", introduced in 1939.
SD SERIES / Small Dude. Size is 1.875". Introduced in 1941.
