LP Vinyl Record Weight Stabilizer Turntable Disc Clamp with High Accuracy Gradienter                       Feature:   1. Built in high accuracy gradienter, which can test the balance of turntable/speaker.      2. Support 50Hz/60Hz and 33rpm/45rpm, making you enjoy the best sound quality.      3. Soft base pad provides protection of the label and reduces the noise (reduces unnecessary vibration).      4. Adopt high quality material, sturdy and durable, and you can use for a long time.      5. There are two colors for you to choose from, meeting your different preference.             Specification:                 Item Type: Vinyl Record Stabilizer                 Condition: 100% brand new                 Color: Black, Silver (optional)                 Material: All aluminum                 Diameter: Approx. 80mm/3.1in                 Height: Approx. 36mm/1.4in                 Stroboscopic Scale Support: 50Hz/60Hz, 33rpm/45rpm                        Package List:           1 x Vinyl Record Stabilizer