The Case IH 253460A1 Shim Assortment is an original equipment manufacturer (OEM) part designed for precise adjustments in various Case IH cutterbar applications. This genuine shim assortment helps maintain optimal machine performance and component alignment. It is compatible with a wide range of Case IH 1020, 2020, 2030, 2050, 2060, 2130, 2140, 2152, 2162, 2182, 3020, 3050, 3052, 3060, 3080, 3152, 3162, 3182, 4020, 4050, 4060, 4080, 4152, 4162, 4182, 4200, 4250, and 4300 series cutterbar models.