Stainless Steel Insect Pins Specimen Pins Entomology Pins Dissection and Butterfly Collections Needle for School Lab Entomology Dissection Butterfly Collectors (500 Pieces, 5 Sizes) 500 auspowers_batchfour 64 cm Skip Space: 3/16

64 cm Skip Space: 3/16 inch Ruling: 3/4 inch

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Stainless Steel Insect Pins Specimen Pins Entomology Pins Dissection and Butterfly Collections Needle for School Lab Entomology Dissection Butterfly Collectors (500 Pieces, 5 Sizes) 500 auspowers_batchfour 64 cm Skip Space: 3/16Stainless Steel Insect Pins Specimen Pins Entomology Pins Dissection and Butterfly Collections Needle for School Lab Entomology Dissection Butterfly Collectors (500 Pieces, 5 Sizes) Product Features 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 0. 32 mm, 0. 38 mm, 0. 45 mm, 0. 56 mm and 0. 71 mm, for the use of different insects Durable