Moozikpro [4 Pcs] Piano Caster Cups &ndash; Premium Beech Wood &ndash; Non-Slip & Anti-Noise Foam Pad STRONG & SECURE SUPPORT - High quality wood will keep piano in place reducing force on the floor ANTI-SHOCK EVA FOAM MAT - Absorbs vibration and reduces noise without scratching hardwood floors PROTECTS RUGS & CARPETS  Wont tear or distend under the weight maintaining a proper pedal height PRESERVES ORIGINAL WHEEL COLOR - Protects metal and brass wheels from rust or tarnish ELEGANT DESIGN - Enhances piano and room beauty providing a real classy look