The Beadsmith Create Recklessly Oblong Spot 5/16. Pack of 24
 
Create Recklessly with these oblong spot studs. Great for embellishing metal, leather, plastic, and more to create multi-dimensional jewelry. Simply use a spot piercer to create holes, then insert the studs and gently tap the two prongs toward each other to secure.
Measurements: The head is 3x8mm and 2mm tall. Each prong is about 5.5mm long.