This ECG tracing is a customer orders, I hope the nurse or doctor who like it can own it, too.It made with thick copper wire. The pin can also be used as scarf pin or sweater pin. I will smooth the end so that it can not hurt your skin or your scarf. It is good idea to be as gift or treat yourself. ---Detail Info Measurements: Length 3 2/5" and 3" at the widest point. (8.5cm X 7.3cm). Stick is 5 4/5"(14.5cm),can be useful length is 4 2/5(11cm) ---Care Information Brass and copper may get dark by time,If you like it,it is good news;If you do not like it,I will send you a polishing block so that you can polish it to the original color. ---Please Note All jewelry in my shop are handmade by me,so every piece may have slight variations,which also imbues it with its own unique feature and uniqueness.