The Bones STF Dyet Swamp Thing V2 Wheels are specifically formulated for what you skate. The Dyet's are made with the Bones Street Tech Formula, giving you more slide-ability and way less flat spots. Made in the U.S. at the Bones factory in Santa Barbara, California, the Dyet's are skater engineered and designed, Adam Dyet style. Bones graphics at one side. Sizes available as seen below. Wheels sold in set of four.