1、DIY CASSETTE TAPE: Includes 4 reels and 2 wheels (you will need to prepare glue to make them), the reel parts are removable and provide excellent visual effects for your cassette player, you can use your favorite music to record. 2、PREMIUM MATERIAL: DIY reel to reel cassette with premium plated wheels, the reel with a diameter of 40mm is made of aluminum alloy, providing reliable functionality for long term use. 3、WIDELY APPLICABLE: Immerse yourself in fascinating visuals with the moving reel parts in the cassette player. Unleash your creativity with our versatile metal reel cassette for music recording, various sound projects. 4、MUSIC RECORDING: Type I (Ferric Tape) for music recording (better quality than recording only), use punk rock, indie, hip hop tapes to record voice or music. Play cassette tapes on your old school tape recorder. 5、IDEAL GIFT: This blank recording cassette tape is designed for music lovers and collectors, allowing you to personalize your sound, great gift choice for the aspiring musician or band in your life. Item Type: DIY Reel to Reel Cassette Material: Aluminum Alloy, ABS Reel Diameter: Approx. 40mm / 1.57in Reel Thickness: Approx. 0.25mm / 0.01in Application: DIY Tape, Music Recording 4 x Reel 2 x Wheel 1 x Plastic Box