These parts fit KitchenAid model FGA only. DOES NOT fit models KSMFGA and KSMMGA Fine disc has .175" (4.4mm) holes and is 1.9"(4.8cm) in diameter Coarse disc has .25" (6mm) holes and is 1.9"(4.8cm) in diameter Blade measures 1.75"(4.5cm) x 1.75"(4.5cm) Quality part by Univen Univen meat grinder blade and disc plate set compatible with KitchenAid FGA food grinder attachment. These parts fit KitchenAid model FGA only. They DO NOT fit models KSMFGA and KSMMGA. Includes grinder blade knife that measures 1.75"(4.5cm) x 1.75"(4.5cm). Includes fine disc with .175" (4.4mm) holes and is 1.9"(4.8cm) in diameter. Includes coarse disc with .25" (6mm) holes and is 1.9"(4.8cm) in diameter. Compatible with KitchenAid part numbers 4162144, 9706857, W10408733, WPW10408733. Quality part by Univen.