Features: Replace your old or damaged pinch roller with this quality 5pcs Playback Gear Wheel. Made of plastic material, these compact and small pinch rollers are durable and easy to carry. Suitable for tape recorders, car recorders, players, personalstereos, radios and more, these playback gear rollers are perfect for audioenthusiasts. Whether you're repairing a cassette machine or upgrading your audioequipment, these pinch rollers provide the necessary resistance foroptimal tape to headcontact. Share the convenience and reliability of these pinch rollers with your friends and family, ensuring smoothrotation, restored turntablespeedsand reduced noise. Specifications: Material:ABS Size：Diameter approx 15mm/0.59in For：Suitable for TN-21 Card Movement Quantity: 5PCS Package Includes: 5PCS Playback Gear Wheels note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2cm error due to manual measurment.