Precise Compatibility for 60HE 60% layout with underglow, featuring perfectly aligned cutouts for stabilizers and switches, ensuring effortless installation without additional modifications. Optimization Base : Serves as base for sound dampening materials like foam and pad, reducing cavity resonance and enhancing overall sound consistency for a more uniform typing. Structural Reinforcement : Reinforces keyboard rigidity, minimizing flexiable during presses to "wire noise" and switches wobble, delivering a firmer and more stable keystroke feel. Fully compatibles IXPE switches pad and Poron foam, optimizing damping properties for a softer, deeper, and more muted acoustics profile. Designed with precise cutouts and contourings to guide switches, stabilizer, and foam placement, simplifying customization for beginners while ensuring accurate assembly.