These fit Van Norman / RELS 204 brake lathes, and there are (2) required per machine. Item for sale is (1) Van Norman 804-1252-06 Coupling Disc.
Six-Inch Stone Flywheel Grinding Wheel - Winona Van Norman - WVN801130
RELS / Winona Van Norman 204 Disc & Drum Brake Lathe Operating Manual 204C 204S
Winona Van Norman 204 Brake Lathe 11/16" Import & Model A Arbor Shaft RELS 2000
Winona Van Norman 204 Brake Lathe 1" Arbor Shaft RELS 2000
Winona Van Norman 804-8659-73 Rotor Cutter Feed Screw for 204 Brake Lathe RELS
Six Inch CBN Flywheel Grinding Wheel (Rough/Coarse Grit) - Winona Van Norman