Thank you for viewing. This is unidirectional carbon fiber (carbon cloth). The winding length is 7.3kg, subtracting the weight of the core using a scale, and calculating 73m at 100g per meter. The 2.7m and 1.4m pieces at the ends of the image are also included as a bonus. The width is 50cm. How about for seismic reinforcement of house foundations or ship repairs? Everything in the images is included. Due to my busy schedule and frequent business trips, transactions may take some time. Please purchase with some leeway. Receipts cannot be issued. Immediate purchase is acceptable, but no discounts are offered. It is also listed on Yahoo Auctions, and I am also reaching out elsewhere, so it may end without notice. Please understand. Shipping to remote islands is not possible. Please feel free to comment with any questions. Thank you for your consideration.