Mitchell/Sachtler 10mm Adapter attaches to a tripod with a Mitchell base and acts as an intermediary for the tripod to accept the Sachtler fluid heads.
Mitchell/Sachtler 100mm Adap.
Mitchell to Sachtler 100mm Ball Adapter
Model Number: Mitchell-Sachtler
Website (Commercial/Pro): Commercial Website
Product ID: MP11227
R2 Description: Mitchell to Sachtler 100mm Ball Adapter
User Manual Download: Mitchell/Sachtler 100mm Adap.
MPR Says: "Don't adapt without it"
"When your tripod head has a round, ball type adaption ("Sachtler") and your tripod legs have a flat ("Mitchell") receiver, use this ball adapter."