What does bt- 10k mean in a ring?

In the context of jewelry, "bt-10k" typically refers to a ring that is made of 10 karat gold (10k), which means it contains 41.7% pure gold mixed with other metals for added strength and durability. The "bt" could stand for "bead" or "brushed texture," indicating a specific design feature or finish of the ring. Overall, this designation helps identify both the quality of gold and the style of the piece.