SIZE: 4.5mm Long, 3mm thick
HOLE SIZE: 0.8mm
MATERIAL: Gold-Plated 304 Stainless Steel
PACKAGE: 10 Pairs (20 pieces)

Ear Nuts or Ear Clutches have a hole through which an earring post is attached to secure the earring to the earlobe. The friction version has two curved wings that grasp a grooved post. Also referred to as earring back, clutch, push back, or clutch back.