The Grip-Rite GRRBK2800 Nailer Rebuild Kit helps restore the operating function of compatible nailer equipment by replacing worn internal components. Designed as a replacement rebuild kit, it provides the parts needed to service key components within the nailer and help maintain proper operation. Replacing worn seals, fittings, or other serviceable components can help improve air rete... https://www.wholetoolbox.com/grip-rite-grrbk2800-nailer-rebuild-kit/GRRBK2800.html