Figure 1-6.-12-point box-end wrench.
Figure 1-9.-12-point sockets.
A socket (fig. 1-9) has a square opening cut in
one end to fit a square drive lug on a detachable
Figure 1-7.-Offset combination wrench.
handle. In the other end of the socket is a 6-point or
12-point opening, very much like the opening in the
A complete socket wrench set consists of several
box-end wrench. The 12-point socket needs to be
types of handles along with bar extensions, adapters,
swung only half as far as the 6-point socket before it
and a variety of sockets (fig. 1-8).
has to be lifted and fitted on the nut for a new grip.
It can therefore be used in closer quarters where there
is less room to move the handle. (A ratchet handle
eliminates the necessity of lifting the socket
refitting it on the nut again and again.)
Figure 1-8.-Socket set components.