Winco FFC-500K - 1/2" Pusher Block for Winco French Fry CuttersWinco FFC 500K 1 2" Pusher Block for Winco French Fry Cutters Use with Winco FFC 500 Unit or FFC 500B Blades ZESCO. COM has your Kattex replacement parts. The Winco FFC 500K is a pusher block that works only with the FFC 500 french fry cutter. It is made from aluminum for excellent durability and long life. It works with matching blades to create perfect 1 2" cut potatoes. See the RELATED ITEMS for other compatible parts. Features Replacement Pusher