The GuoGuan XingHen TSM is a new magnetic 2x2 by GuoGuan, one of MoYu’s more well-known sub-brands. The XingHen TSM takes advantage of a special corner design which allows the user to adjust the size of the cube. Sizes range from the conventional 50mm to 50.75mm and 51.5mm. The XingHen TSM is truly a first of its kind.