1.) The choices of material that I have here in San Diego to purchase for making a set of picks are below, price is not a factor, I can purchase as little as 6", what is the HIGHEST quality material out of the following and WHY?:
50 Carbon Spring Steel
75 Carbon Spring Steel
95 Carbon Spring Steel
AISI-SAE 4130 Heat-Treatable Strip
Blue Tempered Steel & Polished Strip Steel
MartINsite Low Carbon Sheet
Tempered Strip Steel
Special Temper High Carbon Strip Steel
2.) ALSO, what is the best thickness and width of material to buy?
I need a STEEL pro to answer this question....ANYONE?