This is a replacement buckle part for the CASIO G-SQUAD GSW-H1000. □ You can freely combine black and red colors. □ Please let us know the color breakdown when purchasing. □ Due to 3D printing, there are layer marks. □ Due to the FDM method (layer-by-layer), there may be some deformation on fine curved surfaces. □ It does not have the strength of the original product, but I have been using it for about 10 months without any particular problems (please refer to the posted image). □ We have multiple sales records and have received positive feedback. □ Details of this product are introduced on our blog. If you are interested in how to replace it, please feel free to visit. Blog link: https://www.otherhalf22.com/entry/2025/08/11/070000 □ We solve your problems with a 3D printer. If you have any requests for custom manufacturing, please contact us. We can handle drawing creation, manufacturing, and listing.