The pick used by top musicians worldwide. Tortex picks are carefully designed and manufactured to give the characteristic maximum memory and minimum wear that made original tortoise shell famous. Gauges (mm): .50, .60, .73, .88, 1.0, 1.18.*The pick used by top musicians worldwide*Made of the ever-popular tortex material for a long life and bright tone*Maximum memory, minimum wear*Gauges (mm): .50, .60, .73, .88, 1.0, 1.14*Made in the USA