The SET COLLAR 1-3/8 X 2-1/8 SC1375 from Double HH Manufacturing is a precision-engineered component designed for secure positioning in machinery. With dimensions of 1-3/8 inch inner diameter and 2-1/8 inch outer diameter, this set collar is ideal for various applications in industrial and agricultural equipment. Constructed from high-strength materials, it ensures durability and reliability under heavy loads. This single pack item is easy to install and meets industry standards for quality and performance, making it a valuable addition to your maintenance toolkit.