The RBB04 vibration damped bucking bar when combined with the RRH riveting hammer offers an unbeatable system for safe and effective riveting. The RBB04 uses a spring dampening element to reduce the vibrational impact, consequently the tool does not require an air supply to operate. The bucking bar dollies can be ordered with several different interchangeable bucking bars. Ideal for work in confined spaces the RBB04 bucking bar is available in several versions. Large and small.