Salvaged from a mint condition SL – 20 turntable with a bad motor. These hinges definitely fit the SL – 20 and SL – 23, but can be used for almost any turntable mounting application. These are high-quality metal hinges. Will not break, snap off, or lose spring tension. All you need to be able to do is drive four screws into the back of the plinth and fit the connecting screws to the dust cover. Please see pics, you’ll receive exactly what is shown. Two metal hinges are included with mounting screws, the tension spring on both hinges is fine. Thanks and enjoy.