Replacement screws and springs that can be used for any 3x3 but specifically used in DaYan 3x3 products.
The 42mm version is used in the ZhanChi 42mm cube. The 50mm version is used in the ZhanChi 50mm cube. The 55mm & 57mm version is used in the DaYan TaiYan, GuHong V 1, GuHong V2, LingYun V1, LingYun V2, LunHui, ZhanChi 57mm, ZhanChi 55mm.