you might notice a spike in compliments when wearing these earrings! show off your spiky side with these yellow gold plated sterling silver spike charm hoop stud earrings. the earrings measure 20mm high, 4mm wide and 12mm deep, and weigh 1.5g. the 11mm pins are held in place by butterfly back fastenings, and the earrings are complete with a 925 sterling silver metal stamp.