The AFF 9/16 XL Auto Slack Adjuster Wrench, No. 45030, is designed to aid in the installation and service of Bendix brand air braking systems. The 45030 features a built-in ratcheting mechanism to provide a full 360-degree rotational swing for ease of use at any angle, as well as a dipped handle to provide a comfortable non-slip grip. There is a protective sleeve on drive end to prevent dirt and other contaminants from entering the ratcheting mechanism. Additionally, its extra-long handle provides torquing power to overcome anti-reverse mechanism and its deep style six-point hex head is ideal for accessing adjusters in recessed areas.