Variety Pack of 4 Black Mountain Thumb Picks 1 Medium Gauge, 1 Heavy Gauge, 1 Jazz Tipped, and 1 Jazz Tipped with Extra-Tight Spring Tension. Fits Medium, Large, and XL Sized Thumbs Comfortably. Universal Spring Fit! Great for Guitar, Banjo, Bass, Mandolin, Lap Steel, Pedal Steel, Ukulele, Autoharp