Recommended draw weight: ~16kg String dimensions are for [Ren-shin, Jiki-shin, Kō-shin] 2-sun extension. The original string is ANGEL's Majesty 777. For the center serving, please wrap hemp or synthetic fiber over the base. Fire, sharp objects, and maten-nezumi (a type of mythical rat) are prohibited. This product is a loop-type string. Adjust the height by twisting the string. Compared to other manufacturers, this product is relatively low-priced because it is only pre-made and has not undergone maintenance. Basically, no returns or exchanges are accepted. Archery equipment Kyudo (Japanese archery) Anonymous delivery