●- MINIMIZE DRAG: These stepped skate spacer can minimize drag on your bearings and make the bearings motion more smoothly. ●- APPLICATION: These spacers fit between the bearings making it easy to support the wheels and bearings, and they are easy to match the skating male and female axles. Designed to create a smooth motion, the spacers will help to prevent your bearings from collapsing. ●- PREMIUM MATERIAL: Made of aluminium alloy, these spacers are easy to dissipate heat and they are of long durability than other plastic accessories. ●- PRACTICAL: The bearing will be motionless without the bushing. It can be a necessity for your replacement. ●- GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails to us at any time. We will reply you as soon.