300Pcs Specimen Pins, Stainless Steel Insect Pins for Lab Entomology Dissection and Butterfly Collections（Sizes 1 2 3,Each Size 100 Pcs）

【Material】Made of stainless steel, can be used for a long time. 【Specifications】Used to place or fix insect specimens. There are three types: 1#, 2#, 3#. The diameter of the needle ranges from thin to thick, and all lengths are 40mm. 【Packing】100 pcs/can, easy-to-take can, can be stored at any time when not in use, and can be used again next time. 【Storage Method】Please store in a dry, flat place. Because the needle body is thin, it is not easy to be found after being dropped or lost. Children must use it under the supervision of an adult! 【Use of the specimen needle】During use, do not insert too much force into the specimen box. If it is bent under force, you can gently fold it back in the opposite direction with your hands, and then straighten the needle again. Slight bending will not affect the fixation and display of the specimen.