Great helper to improve sound quality: STB-04 can reduce vibrations, efficiently keep the disc from shaking and stabilizing rotational speed, reproduce real HiFi music and also can prolong the service life vinyl records. Thoughtful design and strong function: just the right weight to dampen vibrations but not to overload turntable bearings or stop the minor skips, proper size fits most turntables that you can play music with dust-cover closed. Excellent craftsmanship technology: STB-04 record stabilizer is made of high quality aluminium with smooth surface, and rubber mat on its bottom to protect the record from friction and damage.