The AllPoints Foodservice Parts & Supplies 261313 Lock Nut is designed for durability and reliability in your blender. With a 1-3/8" -18 thread size, this lock nut ensures a secure fit, preventing loosening during operation. Made from chrome-plated zinc, it offers excellent resistance to corrosion and wear, making it ideal for heavy-duty use in foodservice environments. Enhance the performance and longevity of your blender with this essential accessory.