Here is a socket that makes life a little easier for anyone who works on Mack trucks. Designed for 1/2" square drive ratchet or breaker bar, the socket fits the slotted adjusting screw in tapered...
# Sockets have 3" of useable depth, 4" overall length. # Eliminates modifying standard socket to provide necessary clearance. # All of the following are 3/4" drive, 6pt. sockets.