What does k10 stand for in jewerly not 10k?

In jewelry, "K10" refers to a specific purity of gold that contains 10 parts gold out of a total of 24 parts, meaning it is 41.7% pure gold. The "K" stands for karat, which is a measurement of gold purity. K10 gold is often used in jewelry for its balance of durability and affordability, as it is more resistant to scratching compared to higher karat gold.