... sheet of insect entomology pin Material stainless steel pin with brass headPin length40mm Wire diameter 0.45mmFeatures anti-rust, ... #5 – 40mm*0.71mm 100pcs/tubeNickel plated steel pin with glass head32mm, 38mm, 41mm100pcs/plastic box, 500boxes/cartonDetails showing ... 2. Customers find our pricing, knowledge, excellent service and overall product quality to be the primary factors in deciding to ...