This is a phono weight force gauge made of durable ABS material. By using our record weight force gauge to balance between the record weight, it can help you reduce resonance and has a good stabilization function. Features -Color: Black -Material: ABS -Size: About 9.50X4.00X2.00cm/3.73X1.57X0.79in -Note: Button battery powered(Included). -Made of selected ABS materials, durable, it can measure the vinyl record pressure, precise and permanent. -Used measure the pressure to prevent its vibration and provide you with pure and beautiful music enjoyment. -Improve the sound quality, effectively improve the sound quality of the record. -Perfect choice, perfect choice to maintain stability and improve sound quality. -Good materials, sturdy and durable, this record force gauge can serve you for a long time. Package list: 2 gauge 2 x bag 4 x button battery 2 x weight(50g)