Zeekio Prism is an exciting winged shaped aluminum yo-yo with a unique finish and amazing performance. Its diffused rainbow anodized finish gives it a fresh and exciting look. It has a very cool color feature when it spins it looks steel grey with flashes of color. Unlike any yo-yo youve ever seen. Its high quality steel ball bearing and silicone friction stickers make this performance yo-yo play as good as it looks. You need to play this one to really appreciate what a special yo-yo this is. Weight: 66 grams Width: 42 mm Diameter: 53.5 mm String Gap: 4.75 mm Bearing : Standard C size, Quality Stainless steel Response: Silicone Friction Stickers