The BuckAdjuster™ is a lightweight work positioning strap that can be used for work positioning or transitioning or when a secondary connecting device is needed. The BuckAdjuster™ features Buckingham’s specially designed BuckGrab™ which makes adjusting the lanyard in and out easy. Model 9A4+R-8 BuckAdjuster™ With All Aluminum Components. Aluminum snap hook and carabiner that meet ANSI requirements for 3600 lb gates.