TYPES AND USES - Continued
The crowfoot wrench is an open-end wrench head which
is turned with a socket handle. It is used to remove
and/or install nuts or bolts. It is also used where an
obstruction would prevent the use of a regular socket.
HEX KEY WRENCH (SHORTER SECTION)
The hex key wrench is an L-shaped, six-sided wrench.
Both ends of the "L" are the same size so you can turn
the wrench either to gain access to the screw head or to
obtain a leverage advantage. The hex key wrench is
used to remove and/or install hex head screws.
There are three basic types of plug wrenches, the bar-
type, the multiple plug wrench, and the socket-type.
Plug wrenches are used to remove and/or install drain
Bar-type plug wrenches may be either square or
hexagonal and are about two inches long. A
combination wrench or socket must be used to turn the
The multiple plug wrench combines several plug ends
on a common handle.
Socket-type plug wrenches are usually combined in sets
with an assortment of handles. The set will contain