Sheng En FII F2 3x3 Speed Cube Puzzle Black
The ShengEn FII is one of the most popular competition speed 3x3x3 cube in the world. Also known as Type-F II, F-II or F2 the cube uses slightly rounded cubies and edges to reduce friction in the cube that provide smooth turning and a delicate feel. Under correct tension, the cube not only has excellent forward edge corning without popping, it also has amazing reverse cornering.Some customer report the cap may come off. If it happens, you can put a little glue under the cap and it won't impact the use of the cube.