The K75-12858 is a torque limiter assembly kit with a 1 inch shaft, designed for GT/T door openers. With its durable construction and easy installation, this torque limiter assembly ensures reliable and efficient operation. Suitable for a wide range of applications, it provides precise control and accurate performance. With its compatibility with LIFTMASTER products, the K75-12858 ensures seamless integration and reliable performance. Ideal for commercial use, this torque limiter assembly kit is an essential component for any door opener system.