Features: 1. 100pcs Stainless Steel Pins Insect Specimen Pins For Anatomy School Lab Entomology 2. Made of stainless steel material for long-term use 3. Length is 4cm/1.57inch, Diameter is 0.38mm/0.015inch 4. Good for sample collection making only 5. Suitable for small to medium sized insect specimen making Specifications: Material: stainless steel Length: 4cm/1.57inch Diameter: 0.38mm/0.015inch Quantity: 100pcs Application: small to medium sized insect sample making Package includes: Insect Pins * 100