TK16 is a long-running Japanese Kendama company known for JKA competition models. JKA sealed Kendamas mean they have been certified by the Japanese Kendama Association, also known as the JKA. TK16s are a staple in the community and were the first Kendama owned by many current Pros. Today they are well known for their durability and reliable quality. If you're looking for a basic, strong, and official Kendama, this is a great choice.