The Massey Ferguson 583177M1 Square Baler Plunger Shim is a specific part designed for square hay balers from model years 1972 to 1995. The shim measures in length to 12-13/16 inches with a width of 2 inches. The shim measures .005 in thickness. This unit is compatible with Massey Ferguson and AGCO equipment, such as models 120, 124, 126, 128, 130, 220, 224, and 228. Made in the United States, this unit quantity is 1, ensuring a direct fit for your Massey Ferguson baler. With this shim, you can maintain or upgrade your heavy equipment to keep it running smoothly and efficiently.