High quality Insect Entomology Pins. These superior pins are fabricated from spring steel with black enamel finish for anti-rust protection with very fine points. Ideal for pinning insects into an insect collection. Pack contains 30 pins in a plastic resealable vial. Each vial contains one of the most commonly used sizes of pins. Pin sizes used are either 0, 1 or 2 and the size that you get will be randomly 1 of those 3.