Hey, cubers! Get ready to go pro with the GAN 251 M Pro! This updated 2x2 mechanism has all the bells and whistles of the GAN 11 M Pro, including corner/core and traditional magnets that will have you feeling like a cubing wizard. And with a 51mm size, you'll have all the surface area you need to solve like a boss. Plus, let's be real - 51mm is like the perfect size for cubing, amirite? Don't settle for second best - upgrade to the GAN 251 M Pro today!