7x7 Speed Cube Stickerless Megaminx Puzzle with Adjustable Tightness

12-sided puzzle with layers per side for increased difficulty Adjustable tightness with hardened screws and springs for personalized performance Pre-lubricated for smooth and fast turns right out of the box structural design prevents sticking and ensures long-lasting stability Perfect for experienced cubers and speedcubing enthusiastsYou may also like 356 Maglev 3x3 Magnetic Speed Cube Stickerless, Magnetic Levitation, 30°+ Auto-Aligning, 76 Magnets.