Beaded Silver Ruler Math Earrings July 15, 2014July 15, 2014 wheresthecandy 0 Comment on Beaded Silver Ruler Math Earrings One pair of silver ruler earrings. Rulers measure 17x20mm, earrings are 46mm top to bottom. Note: The actual numbers on the ruler may differ from the photo displayed. antiquebeadedearringearringsgeekjewelrymathmetalrulersilverVintage