There s pretty much no reason not to own one.
Do i need a anti static building mat and wristband.
Make sure you have one hand or your forearm touching some metal part of the case while working.
However having the mat and the wrist strap grounded at the same point does keep them in electrical balance.
Here are some more details about anti static wristband.
I wear one on my ankle.
Dude an esd safe mat with a grounding cable and a wristband costs like 30.
I am a field tech and have never carried around a mat or strap.
I alwyas build mine on the carpet floor while sitting down and i never use an anti static wristband even though i know i should.
Just take the other necessary precautions.
They are normally used along with an antistatic mat that are placed on the working bench.
I am very careful though and a perfectionist so i handle each piece.
Unless 30 40 is really gonna cause some problems you might as well own one.
The wristband works by redirecting the static discharge through a cord which then follows an antistatic mat or another grounded conductor to the ground.
It is best to have it plugged up and unplug the power connector off the motherboard.
You do not need an anti static mat or wrist strap.
This is an elastic band made of conductive fiber such as carbon or carbon filled rubber that are bounded on the hand with a stainless steel plate or clasp.
The grounding cable is what connects the anti static mat being used as a work surface to the electrical outlet.