For all Festool cordless drills, cordless percussion drills, drills (except DR 20/DRP 20) and percussion drills with FastFix tool reception.
For holding socket with 3/8" square.
Adapter AD-3/8" FFP is an adapter designed for use with Festool Drills (excluding the CXS) as a way to drive 3/8" sockets for large screws. It is compatible with US sockets of 3/8" drive. Couple sockets to the drills for driving hex head fasteners like lag screws.