The F6 and F9 also come in the popular Qt version to accommodate work environments that demand a reduced noise level. The F6 is available with a one-piece skid-steer loader bracket for large series skid-steer loaders. All FRD USA hammers come complete with our exclusive Pro-Pak for ease of installation. The Pro-Pak includes hose whips, mounting hardware, standard working steel and tool kit with operating manual at no additional charge.