●SMALL AND RIGHT - The GAN 354 M V2 has the advantage of being compact and comfortable at just 54mm. Great for those who are engaged in one hand or for those with smaller hands (Recommended Ages: 6 years and up) ●Adjustable without disassembling the entire puzzle - The GAN 354 M V2 has 4 different elastic GES springs. Simply remove the center cap and replace the nut for a variety of adjustments. Remember to put the center cap back when you complete the adjustment ●ADVANCED SELF-BEST UPDATE WITH THIS SMOOTH PUZZLE - The honeycomb surface inside reduces friction resistance and maintains lubricant. And it has high corner cutting performance of normal 55°, reverse 30°, and edge and corner feet are designed to be pivot and pop resistant. The GAN 354 M V2 has all the latest elements you need to recreate your own records