Make sure you have one hand or your forearm touching some metal part of the case while working.
Do i need a anti static building mat and wristband.
You do not need an anti static mat or wrist 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.
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.
Here are some more details about anti static wristband.
There s pretty much no reason not to own one.
However having the mat and the wrist strap grounded at the same point does keep them in electrical balance.
They are normally used along with an antistatic mat that are placed on the working bench.
Dude an esd safe mat with a grounding cable and a wristband costs like 30.
The grounding cable is what connects the anti static mat being used as a work surface to the electrical outlet.
It is best to have it plugged up and unplug the power connector off the motherboard.
I wear one on my ankle.
The difference between using grounding cables separate for a mat or wrist strap as opposed to a common point ground is primarily ergonomic.
By redirecting the static these wristband devices assist in properly grounding your body balancing out any electrical charge differences between you and electrical parts.
I am very careful though and a perfectionist so i handle each piece.
The wristband works by redirecting the static discharge through a cord which then follows an antistatic mat or another grounded conductor to the ground.
You can buy mat spray and take care of it and use the same one for pretty much the rest of your life.