Features: This idle wheel belt with rubber to provide superior wear resistance and the right tractions without deformation, ensuring optimaled performances for your deck tape Record auditory player. From durability rubber this idle wheel belt withstands frequent use. Its precise inner diameter and thickness perfect fit for 700 800 models. For music enthusiasts and professionals who rely on their deck tape Record for high-quality auditory playbacks. Whether you're recording music in a studios your favorite mixtapes this idle wheel belt ensures smooth and reliable operation. Upgrades your deck tape Record with this essential accessory and experience- the best possible sound quality for all your music player needs. Specifications: Size: inner diameter 9mm 10mm 11mm 12mm 13mm Material：Rubber Quantity:20PCS For: Deck Tape Record Package Includes: 20PCS Rubber note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.