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Choosing Safer Hand Tools in Construction Choosing Safer Hand Tools
in Construction
Hazard Alert
Construction workers use many hand tools, such as, hammers, screwdrivers, pliers, and tin snips, plus
power tools, such as electric drills and screwguns.
The Hazards
If you use hand tools over and over every day, you can injure your hand, wrist, or arm. You can be
injured if you must hold on tight for a long time or keep twisting the handle, for instance. You can get
carpal tunnel syndrome, trigger finger, white finger, tendonitis, and other painful problems. They can
force you to quit construction work.
Protect Yourself
You can buy safer hand tools. Then, you can use them better.
WHEN YOU BUY A HAND TOOL:
Look for a tool that needs less force to use it.
Look for a tool that is balanced
and does not tip forward or back when you hold it.
Look at the handle:
It should be comfortable in your hand not too thick or too small or too short.
It should not conduct electricity or heat. (Work with a cold handle can make some
repetitive stress injuries worse.)
It should not hurt your hand when you hold tight. You do not want sharp edges or finger
grooves or ridges.
If you can, get a non-slip handle.
If you can, get a handle with a surface made of soft materials, like rubber or plastic. (You
may want to get a special plastic or rubber sleeve or a custom grip kit for the handle.)
If you need to use a lot of force on the job, the handle should be long enough for your
whole hand
not just your fingers. (You want a power grip, not just a pinch grip.) You can
use a long handle as a lever to add to the force of a tool and save your hand.
If you wear gloves when you use a tool, you may need a thicker handle. (Gloves can make
it harder to hold onto a tool.)
For some tools, the handle should have a spring return; this re-opens the tool for you after
you use it. The spring return saves wear and tear on your finger muscles.
A bent angle or adjustable angle on some tools can help you keep your wrist straight on
some jobs. You may need different tools on different jobs so you can keep your wrist straight.
For instance, on walls, a pistol grip is better.
(Please turn the page.) Tools, 9/17/01
If you get a power tool:

It should have a long trigger, so you can use more than one finger at a time.
Get a tool with lower vibration and noise levels. Too much vibration can damage the
blood vessels in your hand and cause white finger. If a tool vibrates, you have to grip harder
and can hurt your muscles.
Get a tool that is heavy enough to do the job, but not so heavy that it adds strain. Suspend
a very heavy tool with a counterbalance, if you can.
If more than one person will use a tool,
try to find one thats comfortable for everyone to hold. You
may need different tools for left-handed and right-handed workers and for workers with big and small
hands.
WHEN YOU USE A HAND TOOL:
Keep the tool sharp and in good condition.
This way, you can reduce the force you must use on the
tool and reduce stress on your hands and wrist.
Try not to use tools with your wrist bent.
Try to rest your hands
during the day. Even a perfect tool can hurt you if you must use it over and
over. Lay down the tool or put it in a holster when you dont need it.
You Should Know
A good hand tool improves productivity
; it helps you get your job done well.
Use a
power tool when you can. A power tool can cut the wear on your hand.
Many tools in the stores are labeled ergonomic tools; dont be fooled. You are the one who
can tell
if a tool is comfortable and easy to use. Try many tools until you find one you like. Everyone
has a different hand size, strength, and preferences. Keep asking the stores for better-designed tools;
they respond to demand.
One tool cannot do all jobs.
If you try to use a tool for a job it was not designed for, the job will be
harder to do.
How you use a tool is as important as which tool you use.
For more information,
call your local union, the Center to Protect Workers Rights (CPWR) (301-
578-8500 or
www.cpwr.com
), the National Institute for Occupational Safety and Health
(1-800-35-NIOSH or
www.cdc.gov/niosh
), or OSHA (1-800-321-OSHA or
www.osha.gov
). Or
check the website
www.elcosh.org

� 2001, The Center to Protect Workers Rights. All rights reserved. CPWR is a and development research arm of the
Building and Construction Trades Dept., AFL-CIO: CPWR, Suite 1000, 8484 Georgia Ave., Silver Spring, MD 20910.
(Edward C. Sullivan is president of the Building and Construction Trades Dept. and of CPWR and
Sean McGarvey
is secretary treasurer.) Production of this card was supported by NIOSH grants CCU310982 and CCU312014. The
contents are solely the responsibility of the authors and do not necessarily represent the official views of NIOSH.