【Product Function】Eliminating cavity sound, increasing sound thickness and reducing keyboard resonance. | 【Eliminate Keyboard Noise】Between the installation and the PCB and the steel plate, the steel plate and the PCB are used for clamping, no adhesive is required, and the light position is not affected. It fills the entire keyboard, the soud is thicker , the resonance of the plastic keyboard and the cavity sound are eliminated. | 【Switch Sound Dampeners Sheet】This product is a Switch Sound Dampeners sheet, which is placed between the keyboard's circuit board (PCB) and the positioning board. It is a must for keyboard lovers to DIY your keyboard. | 【3mm Thickness】Most of the silencer pads are designed based on a standard 1.5mm positioning plate. Due to the processing accuracy of the plate, the space between the PCB and the positioning plate ranges from 3mm to 3.5mm. Regardless of whether the keyboard switch is welded or hot-plugged, the 3mm silencer pad is the best choice. | 【Warm Tips】This silencer pad is measured and drawn according to the keyboard entity. It is not produced by the original manufacturer and cannot be guaranteed to be fully fitted. Some of the holes, gaps, and circles may be caused by too many models and brands of the same configuration and different designs. The hole is deviated. Please check carefully before placing an order.