Amazon.com : RollerWave Slide Block for Roller Skates - Easy Mounting to Quad Roller Skates for Sliding & Grinding on Rails, Coping, Curbs and More. for Outdoor Skating (Small) : Sports & Outdoors
Asphalt Beach Skateshop - The Sure Grip Grind Blocks have arrived - they fit on Avanti and Avenger plates without having to remove the plate from most boots with heels. Super easy