Audio-Technica AT618a Vinyl Record Disc StabilizerThe Audio Technica AT618a is a 600 gram (1. 3 lb) disc stabilizer, or record weight, that fits over the turntable spindle to hold a vinyl record firmly on the platter. Constructed from a machined brass core with a protective rubber cover, it reduces unwanted vibrations and resonance for improved sound quality and clearer audio playback. The added mass also helps to temporarily level slightly imperfect vinyl surfaces and can improve tracking, though it