Specifications：
Material: made of high-quality lubricated 608z abec-7 steel.
Optimal performance: features dual shields for optimum lubrication and reduction of contaminants.
Shields on both sides of the bearing: keep lubricant in and contaminants out.
Multiple applications: suitable for use in such applications as skateboards, inline skates, and scooters.
Dimension: 1 size available, fits most sizes of skates.
