Durable construction provides impact resistance and longterm stability for demanding riding conditions, while the innovative design enables easy installation for quick setups. Slip textured surfaces and wear resistant ABS material deliver secure grip and extended service life under varying vibrations and heavy use across different board setups. Ideal for enthusiasts who need height adjustment components to optimize riding performance. Sturdy deck spacers offer four thickness options for precise height adjustments in skateboards, longboards, and board assemblies. Use scenarios Street and park skateboarding: use the four thickness options to finetune riding height for improved balance and control during tricks and transitions. Longboard setup and tuning: adjust height to enhance stability and turning response during carving or downhill sessions. Custom builds and repairs: worn spacers or configure multiple deck assemblies to fit different decks and configurations without sacrificing grip or durability.