Perfect for sport courts and smoother surfaces, these roller hockey court wheels have a durometer* rating of 76A - offering the ideal amount of grip and traction to enhance your speed, agility, and control. Sold as a 4-Pack Details Performance Court Wheels Designed with a durometer reading of 76A which measures the overall hardness of the rubber, making these wheels perfect for sport courts, wood, or smooth concrete surfaces Senior skates are compatible with 80MM or 76MM wheels Junior skates are compatible with 76MM, 72MM and 68MM wheels Youth skates are compatible with 68MM and 59MM wheels 4 per pack