Ganas G-637 is a sit-up adjustable abdominal muscle board imitating the Italian one. Its main body is made of high-quality steel, with an oval tube shape, a solid structure, novel and unique, and ergonomic. Its seat and back cushions are made of polyurethane foaming technology, and the surface is 1mm high-grade thickened PVC leather fabric, which is wear-resistant, sweat-resistant, and has excellent weather resistance. The fasteners are made of American 8.8-grade nickel-plated point drop-resistant screws, which are durable and never rust. The surface of the adjustable abdominal muscle board is coated with bright silver-gray, which is bright and beautiful. When using the adjustable abdominal muscle board, the large-diameter roller pad provides users with a comfortable feeling and support. It is a professional strength equipment for the gym.