The Aziak Equipment Handle Compatible Arca Clamp can replace the existing arca clamp on any Aziak Equipment ball head. This clamp is compatible with the Frontcountry/Vantage Carbon Handle. The connection on the base is a rectangle that is 5mm x 13mm ( 0.2" x 0.5") with a M6 fastener hole. InstallationMount ball head clamp on current ball head into vise to hold it securely. Use tight fitting 4mm hex key (Included with your tripod when purchased) in M6 flat head bolt attaching arca clamp to ball. Optional, but recommended - apply heat to screw as it is thread locked in place. Heat will significantly reduce chance of stripping bolt head and require less torque to remove. Unthread flat head bolt and remove existing arca base plate from head. Reverse above directions to install arca lever lock base plate, apply fresh thread locker to flat head bolt.