Cabochon-style turquoise rivets in 10 different colors. Each pack contains ten rivets of a single color – red, orange, green, blue, black, purple, yellow, white, pink, and brown. There are a total of 10 pcs, each measuring 8mm. It’s important to note that these are imitation turquoise. You will need to drill a 1/8-inch diameter hole to use them.  Striations vary, and black shows little to no striations.