Delta Lapel Pin

The Delta symbol is one of the most used symbols in calculus, physics, astronomy, chemistry, geography, genetics, and other numerous branches of science. Delta is the 4th letter of the Greek Alphabet and the symbol which sometimes is used to represent the Number 4.  Our delta pin is hand cast in solid, lead-free pewter. The geometrical triangle pin has a US made, military style clasp to keep your pin secure whether you are wearing it for your fraternity, or to show your interest in science.  All math and science pins arrive packaged on our signature presentation card, making them ready for gift-giving!

• 5/8" x 3/4", 15mm x 18mm 
• Hand cast from solid, lead-free pewter
• Made in the US