產品描述(description) 型號(type)：X57 材料：鋁+PC 顏色：黑色/銀白色 Color:black/silver 單位(unit)：mm 防火等級(Fireproofing level)：(UL)94-V2

二、產品用途(Application)

該產品目前廣泛應用于各種電子，電器，儀器儀表、音響，調音臺設備的上，主要用于電位器旋鈕固定和定位。不需工具即可完成裝配. 特點是容易固定，提高生產效率。該產品外觀高端，大氣，能提升整機產品的檔次。顏色有黑色/銀白色，還可按照客戶所需顏色調色，品種繁多、規格齊全。
Plastic knobs and buttons are currently widely applied in all kinds of electronic,electric, instrumentation, sound, and mixer devices; they mainly function to position andfix potentiometer switches. It is easily and conveniently to install without accessorytools, which highly improves the productivity.Aluminum knobs and buttons are classy both inappearance and function; there are various types and color (black, silver)in supply, and allproducts can be tailored for customers’ need and requirements.

三、產品性能(Function)

該系列產品主要為內殼塑料件和外殼鋁件產品，具有輕便、美觀、不生銹等特點，無需使用安裝工具，易手工安裝，省時、快捷。
Aluminum knobs and buttons are made up with internal plastic parts and outer aluminum shell,they are light, artistic and stainless; it’s easily and conveniently to install and usewithout accessory tools.