Screwholders
Screwholders are perfectly marvelous for hanging onto screws
that have to fit into tiny places. Instead of hanging onto
a screw with the fingers of one hand while wielding the screwdriver
with your other hand, you simply fit the
screw
into the screwholder and use the screwholder instead of a
screwdriver ' to tighten the screw. One type of screwholder
has a magnet to hold the screw; another (see Figure 2-3) has
a little gizmo that grabs the screw when you twist the screwholder.
Both are lovely.
Wrenches
Wrenches are probably the most basic tools for auto repair.
You need a couple of different kinds in different sizes. There
are several basic types of wrenches, some for very specialized
purposes, but the following sections cover the kinds you need
for most jobs. Look for sets made by well-known toolmakers,
and try to buy them on sale. (For more pointers on buying
tools, see the beginning of this chapter.)
Most wrenches are available in both standard - also known
as SAE (Society of Automotive Engineers) - and metric measurements.
You must know which system of measurement your engine is based
on. Originally, most for¬eign vehicles (except British
ones, which had their own thread standard) were based on the
metric system, while domestic engines used SAE stan¬dards
based on fractions of an inch. Today, most American vehicles
have a mix of SAE and metric nuts and bolts. Foreign cars
or foreign components used on American cars (a practice that's
becoming quite common) use metric nuts and bolts - even the
inch-based British. Check your owner's manual or ask your
dealer to see whether your vehicle requires metric or standard
SAE tools before you buy anything.
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