1IRON MATERIAL: The upright piano wheel is made of excellent metal material, which has great wear and erosion resistance. Ensure durability and rust resistance of the caster wheel. 2360 DEGREE ROTATION: The piano caster wheel allows for 360 degree rotation, making it convenient to push and rotate piano or furniture to desired positions. Smoother rolling without noise. 3VERSATILE USE: This caster is ideal for piano frames, Chinese furnitures, European furnitures, bookshelves, sofas, and mattresses. Helps you move items easily, effectively saving time and labor. 4SECURE AND STABLE: Allow stable and reliable movement of heavy furniture or instrument without scratching floors. This caster is perfect for homes, studios, garages, warehouses and other places. 5EASY INSTALLATION: This kit is equipped with screws, easy to install and secure the caster. First, use the screws to secure the mounting plate, then place and tighten the caster, convenient and practical. 1 x Piano Caster 4 x Screws