Are medium guitar picks good?

Yes they are! Most guitarists probably use, and most picks probably fall into, what we'd call Medium guitar picks. They offer the most versatile balance of performance between strumming and precision playing.

What size is medium in guitar picks?

Most players would say medium picks are anything ranging from over 0.60mm to under 0.88mm.

What are medium picks good for?

Medium picks are good for a huge range of styles and methods, offering enough give for comfortable strumming, while retaining enough stiffness for heavier riffing and defined note playing.