Aircee Gans III GAN 3-57 Gan357 Ganspuzzle 3x3 Speedcube Puzzle Stickerless Gans III GAN 3-57 Gan357 Ganspuzzle 3x3 Speedcube Puzzle Stickerless Size:57x57x57mm , Super light weight. Include a piece of plastic screw driver. Special designed corner will maximize the anti-self-twisting ability. The arc-shaped center caps will maximize the corner-cutting ability. The grooves will reduce stickiness and prolong the effectiveness of lubrication. The vertical clamp on the edge will greatly decrease the chance of popping. The GansCore,positioned center cap,and non-swinging center,will guarantee maximum perpendicularity and stability.