Sanwa Supply Silent USB Numeric Keypad NT-23UBK

This is a quiet type with significantly less key touch noise than conventional pantograph keyboards. Ideal for places where input noise is a concern, such as a quiet office. It uses the same pantograph keys as laptops. You can type comfortably even if you press the edges of the keys. Isolation type with independent keys. Reduces nail snagging. It is equipped with a "Tab" key and a "00" key. Convenient for accounting work and tasks that require a lot of numerical input.