99003-50000 Screw Driver Grip - Overview. The 99003-50000 Screw Driver Grip is an essential component in Honda marine engine systems, specifically designed to support the tool handling system. As a replacement grip for screwdriver tools used with Honda marine equipment, it plays a vital role in providing a comfortable and secure handle, enabling precise operation and reliable maintenance. Manufactured to Honda's exact factory specifications, this grip ensures seamless integration with existing p