... *0.45mm straight pin,sharp tip -insect mounting Anti-rust Stainless Steel Insect Entomology Pin with Metal HeadPlease look at ... quality stainless steel pin wire with brass metal head, anti-rust, and lead free 3. These insect entomology pins are ... pin with brass headPin length40mm Wire diameter 0.45mmFeatures anti-rust, lead freePacking100pcs/tubeMOQ500 tubesOptional style insect entomology pin Material ...