DescriptionStainless steel insect pin specimen for school entomology insect collectors. Insect are good for you to handle the various sized specimens, bring you an effortless and scientific operation. Comes with a sturdy and safe plastic bottle to hold these needles, can protect your needles from losing or messing, portable to store and carry around.Features- Color: Silver. - Material: Stainless Steel. - Size: 4.00X0.60X0.60cm/ 1.57X0.24X0.24inch. - 0# Length: 40mm, Diameter: 0.29mm. - 1# Length: 40mm, Diameter: 0.32mm. - 2# Length: 40mm, Diameter: 0.38mm. - Insect needles are made of stainless steel material for durability and resistance to rust. - Professional and practical design with beautiful appearance, easy to carry and use. - Generally used for small or small insects, such as mosquitoes, flies insects specimens of the production. - Every size of needles are in their own vial with label so you wont mix them up.- Entomology collection needles are practical tools for school, laboratory, insect collectors and more.