Product Description: Advantages: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.Pressure rollers for tape recorders special rubber pressure rollers for video recorders, car radios, walkmans, amplifiers, etc.4.Give the tape a certain resistance so that the head and the tape are in close contact to prevent the signal from being inconsistent.5.In order to adapt to more models, the owner specially prepared various specifications of the pinch roller axis for some special models.6.Replacement for Sony, replacement for ES, replacement for CDP tape deck. Specifications:Material: RubberColor: Black Size: 13x6mm/0.51x0.24inch(Dia x T)Diameter: 13mm/0.51inchThick: 8.3mm/0.33inchRubber thickness: 6mm/0.24inchHole diameter: 2mm/0.08inchShaft length: 11.7mm/0.46inchShaft diameter: 2mm/0.08inchWeight: 70g Package include:50 x Recorder Belt Pulley 50 x Axle