I read from some very good guitarist at a heavy pick was the way to go. I have always used a thin pick for over 40 years and decided to change. I just finished a review on new picks out and bought these and an other brand. I don't know weights but 88mm seemed to be a good mid weight.
I love these picks. It took a little while to get over the thin guys but I am very pleased with these picks. The review said these picks were designed to sound like tortoise shell picks, which supposed to have great tone, but we really don't need to kill turtles do we? I think they sound nice. They are light to hold which I like and the grip is the best of any pick I have ever played. They are burnished and feel real secure. The other picks I purchased had a good review but not close to the feel of these guys. I found the pick of my life. Buy a three pack and try them. I have given some to other guitarist and they liked them also. I feel I have better speed and more accurate and better technique . rock on!