Figure 4-24. Combination Wrench
Figure 4-25. Adjustable Wrench
Figure 4-26. Sockets
end can vary from 1/4-to 1-inch. Sockets are driven by
a wide variety of handles.
Handles. There are many types of handles
used to drive sockets. The following paragraphs
describe the more common types in use.
Ratchet handle. Ratchet handles may
have either a straight head or a flex head. The flex
head is used to go around objects. Both types have a
selection lever on the top of the head to determine the
direction of drive. A straight head type is shown in
Figure 4-27. Ratchet Handle
Sliding T-bar handle. The sliding Tbar handle
shown in figure 4-28, has a single head which may be
adjusted along a bar handle. It has two spring loaded
balls, one for keeping the bar in the head and the other
for keeping the socket on the head. The sliding T-bar is
used for increased leverage or for working around other
Hinged handle. A hinged handle has a hinged
adapter on one end which may be rotated in 90-degree
steps. The hinged handle is used when additional
leverage or torque is needed to loosen nuts or bolts.
This type of handle is shown in figure 4-29.
Figure 4-28. Sliding T-Bar Handle