COLORBIRD Piano Caster Stopper, Fixed, Anti-Vibration, Soundproof, Protective, Scratch-Proof

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. This is a set of 4 insulators for fixing pianos. They can also be used for furniture. They fix casters, protect floors, and are useful for vibration and soundproofing. [Floor Protection] Protects your floors from damage and protects your beautiful interior. The excellent durability of the hard ABS resin allows for long-term use. [Vibration suppression] Absorbs vibrations transmitted from the piano casters to the floor, reducing sound leakage to the floor below. [Soundproofing & Shock Absorption] High-quality materials reduce sound and vibration. Maintain a quiet environment and improve sound resonance. [Multipurpose use] It is ideal not only for pianos, but also for fixing furniture. It can also be used as a vibration countermeasure for tables, sofas, chests, etc. [Hard ABS resin] A material that is resistant to corrosion and long lasting. Reliable quality that can be easily replaced even if damaged. [Size] Outer diameter 87mm [Material] Hard ABS resin This is a set of 4 insulators for fixing pianos. They can also be used for furniture. They fix casters, protect floors, and are useful for vibration and soundproofing.