... ) 2.stainless pin body, nylon head 3.for insect collection, entomology collection, ect Insect entomological pins are specifically designed to be longer ... or advanced amateur entomologist who wants to build a permanent collection. Insect entomological pin details:1.Material: stainless steel pin with ... showing:More details needed, just contact us freely. #3 Insect Collection Entomological/Entomology Pin