Features: Enhance your audio experience with this set of Studer A67 B77 compatible wheels, designed for easy mobility and convenience. Crafted from durable metal, these wheels are built to last and provide stability for your portable audio devices. The inner hole is precisely broached. Perfect for music enthusiasts and audio professionals who value portability and versatility in their equipment. Whether you're setting up a home studio or performing on the go, these wheels make it easy to transport your speaker and enjoy high-quality sound anywhere. Compatible models: The new roller has wide compatibility with Revox B77 A700 PR99 C270 C274, for Studer A67 B67 A807 A810 Specifications: Material: metal Size: as pictures Quantity: As pictures for Studer A67 B67 A807 A810 for Revox B77 A700 PR99 C270 C274 Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 set of metal wheels