1. Wave point positioning, high fault tolerance rate, reducing deviation, and playing a great role in preventing the reverse of POP 2. Invisible rib, smoother rotation and better feel 3. Upgrade the shaft control structure, the overall strength is higher and the stability is stronger 4. The surface of the color block uses a smooth sticker process, with rounded corners and bright colors. 5. Dimensions: 8.5 x 6.5 x 6.5 cm 6. Weight: about 59 grams