The 125-21-87-4 is a pneumatic cylinder with a maximum pressure rating of 125 PSI (10 BAR), manufactured by APV. With its high-quality construction and precise engineering, this pneumatic cylinder provides reliable actuation and precise control. It is designed for easy installation and is suitable for various industrial applications. With its durable materials and long-lasting performance, this pneumatic cylinder is a reliable choice for controlling mechanical systems with precision.