Features, Uses, rubber belt presser for recorder, car recorder player, walkman, amplifier etc. Function, Give a certain resistance to the magnetic tape, make the magnetic head contact with the magnetic tape tightly, and prevent the signal from different sizes Multi attribute features, In order to adapt to more models, the shop owner specially prepared various specifications of the roller center for some special models Specifications, Size,13x6x2mm(diameter x rubber thickness x aperture) Material, Rubber Colour, Black Package, 10 x Recorder Belt Pulley