Features: This high-quality idle wheel belt loop with rubber ring is designed to provide superior wear resistance and the right traction without deformation, ensuring optimal-performance- for your cassette deck tape recorder audio-stereo- player. Made from durable rubber material, this idle wheel belt loop is built-to last and withstand frequent use. Its precise inner diameter and thickness perfect fit for SHARP700 800 models. Ideal-for music enthusiasts and professionals who rely on their cassette deck tape recorders for high-quality audio- playback. Whether you're recording music in a studio- or enjoying- your favorite mixtapes at home-, this idle wheel belt loop ensures smooth and reliable operation every-time. Upgrade- your cassette deck tape recorder with this essential accessory and experience- the best possible sound quality for all your music listening- needs. Specifications: Size: inner diameter 9mm 10mm 11mm 12mm 13mm Material: Rubber Quantity:20PCS For: Cassette Deck Tape Recorder Note: Please allow 0-1mm error due to manual measurement, pls make sure you do not mind before you bid. Due to the difference between monitors, the picture may not reflect the actual color of the item. Thank you. Package includes: 20PCS Rubber Rings