The Bones STF Rat Pack Wheels are specifically formulated for what you skate. The Rat Pack Wheels 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 Rat Pack's are skater engineered and designed. 51mm x 28mm. Bones rats in circular detail graphics in white and red over black. Sing it, Frank.