The Metabo HPT – Hitachi 888135 Nailer Valve Bushing is designed to maintain consistent air pressure control, helping your nailer operate smoothly and reliably. This replacement bushing fits securely within the tool’s valve assembly, supporting proper airflow regulation during each firing cycle. By ensuring stable internal movement, it helps reduce misfires and performance drops that ... https://www.wholetoolbox.com/metabo-hpt-hitachi-888135-nailer-valve-bushing