WILLBOND Stainless Steel Insect Pins Kit Specimen Entomology Pins Butterfly Collections Variety Pack for School Entomology Display Butterfly Collectors500 Pieces5 Sizes

5 Sizes for you there are 5 sizes of our stainless steel insect pins the length is the same that is about 40 mm but the diameter is different respectively 032 mm 038 mm 045 mm 056 mm and 071 mm for the use of different insects Durable and reusable specimen pins are made of stainless steel to reduce rust and improve preservation of your specimens ideal for longterm use Widely application suitable for collecting and making most kinds of insect specimens in small medium or large sizes the pins maintain their strength with the stainless steel Protection it comes with sturdy safe plastic vials this packaging method keeps pins organized prevents lost pins and is efficient for storing your pins Large quantity this package comes with 500 pieces entomology pins enough for insect collector bug hobbyist or even school lab to use for a long time