7x7 Speedcube by Yuxin.
The Hays 7x7 was designed and manufactured by Yuxin in collaboration with Kevin Hays who is known as one of the best and most experienced big cube solvers in the world.
The cube is smooth and fast out of the box with slightly looser tensions. The black version has bright quality stickers. The cube comes neatly packaged.
Available in black only.