Pi Tie Bar arrow •Aluminum is a great metal

•Aluminum is a great metal for jewelry

this lovely sterling silver necklace is stamped with "for you

•Each charm measures 3/4" and is handcrafted with sterling silver

simple and perfect for stacking

or gold filled

Pi Tie Bar arrow •Aluminum is a great metalHave your pi and wear it too! This tie bar is stamped with the pi symbol a great gift for your favorite math enthusiast. The Details Handcrafted using 1 4" width aluminum, brass, copper, or sterling silver The tie bar measures 2 1 2" The Process Hand stamping is a very different process than traditional engraving. Hand stamping is done entirely by hand, with a hammer and steel stamp. The stamps have letters or designs carved on the end and each is