Compatibility: Our BRK-19 mounting bracket sets are compatible with the linear actuator model PA-18. The brackets consist of 3 parts: 1 T-shape bracket for the motor end mounting hole and 2 L-shape brackets for the sliding block. Bracket Design: The T-shape bracket will give the actuator the ability of 180 degrees of rotation. Using the mounting L-bracket attachments for the sliding block will make the installation of the actuator a lot easier for your application. Kit Includes: Each BRK-19 mounting bracket comes with all required components to attach to the actuator as well as to your application including 2 x L-shape brackets for sliding block, 1 x T-shape bracket, 1 mounting pin, and 1 cotter pin. Simple Installation: The components that come included are fast and easy to assemble, ensuring a simple installation process for your actuator to your application. Top Quality: Progressive Automations is ISO 9001:2015 certified and committed to bringing top quality in all our products to ensure the durability and performance that serves you well over the years!