Ultra-durable aluminium alloy Body, Non-3D Printed. Latest inline skate 608 bearing with Premium stainless steel balls. | Guarantee 2 minutes+ Spin Time! (This depends on the power you use to spin). The more you spin the toy, the longer it will last. | Unique metal fidget spinner - great gift for collectors! | Utilizes it's own weight to create a smooth and elegant glide when spinning | No repair, oil, maintenance needed!. Includes a case for safe travel and storage