The Duncan Metal Zero Yo-Yo is great! It has a brushed finish for less wind resistance and a smoother feel. The Duncan Metal Zero Yo-Yo also has a high-speed ball-bearing axle for long spin times. It also has recessed friction stickers for professional play. The Duncan Metal Zero Yo-Yo is made from aircraft grade aluminum for durability and balance. It comes with 2 sets of spacers for modified gap and response settings.