stainless steel insect pin 1.rust and lead free 2.Fine 40mm*0.32mm insect pin size 3.for entomologist insect mounting Size 1 Entomology Stainless Steel Insect Pin1. Stainless steel pin wire, fine 40mm long with 0.32mm wire diameter 2. Anti-rust and lead free features3. These entomology stainless steel insect pins are great for insect mounting and collecting4. There are 100pcs insect pins per ...