Features and Benefits:- Individual 18mm- 3/8 Drive- 10" locking extension- Polished chrome- Meets or exceeds ANSI The K-Tool XD 18mm ratcheting crowfoot wrench is designed to work in both directions without having to remove the wrench from the fastener. Change direction by pushing the easy position thumb selector. The ratcheting crowfoot design is ideal for those hard-to-reach, tight and odd angle fasteners.