Edge and protection: reinforce critical stress points along the board edges to resist wear. Durable construction: strength plastics increase impact resistance by 50%, helping protect against scratches and collisions during aggressive skateboarding maneuvers. Secure and precise fit: engineered for seamless attachment to standard four wheel skateboards, eliminating slippage during tricks and grinds. Versatile and reliable: ideal for both beginners mastering balance and cyclists performing street tricks, providing dependable performance across skill levels. Specifications Material: strength plastics Compatibility: Standard four wheel skateboards Performance: Up to 50% increase in impact resistance; edge wear protection Use scenarios Park and street tricks: attach to your board to protect edges during grinds and slides. Beginners learning balance: increased durability reduces concern over edge wear as you practice balance and control. Urban street riding: reliable performance for cyclists performing street tricks, with reinforced edges to withstand repeated impacts and abrasion.