Alnicov Piano Slow Soft Fall Device Hydraulic Pressure Fallboard Decelerator Keyboard Cover Descend Control Devic(Gold)

High quality, usable for tens of thousands of times Made of steel with surface polished, durable and ultra-thin External metal soft fall device designed for upright piano When installed,Slowly lower the piano cover to prevent hand injuries Protective pad contained to attach on the inside of piano cover which prevents piano lacquer from scroll wheel straching