All-round model. Equipped with an IZ frame and Neo CS Carbona tube, this series has even improved grip and acceleration. [Neocs Carbon Nanotube, Rubber Metal, Nanometric, IZ Frame, Arm Shape, Playshift Grip, SD-GRID, Transweight System] [All Round Model] *Frame (Portable Case): SC-P4 *Recommended String: CSG650XI, CSG550SP Mens: Advanced ◎Intermediate, Beginner grade. No If you do not wish to strung it out, it will be delivered without string. If you want, please purchase the string and this item together and let us know you have a strung and desired tensile (lbs) in the communication column (wish column) at the time of your order. If not requested, please use recommended tension. (Additional cost for stretching) *The stencil mark on the product image is for photography. Actual item is not included.