ALFA Knife guard interlock assembly is replacement part for Globe meat slicers and fits in models 500– 500L, 725– 725L, 775– 775L, 825– 825L. Replaces Globe # 879. Made in USA. ALFA International is a leading provider of replacement Food Prep Parts and Restaurant Equipment to the Food Service industry. Hundreds of Chain Supermarkets and Restaurants trust ALFA's products every day. High quality replacement part and food prep equipment at affordable pricing.