GOODCHI Guitar Nut File Made of High Quality Steel Maintenance Supplies Guitar String Groove Polishing Tool File String Instrument Parts Compatible

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.

【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary.

【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product.

【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. [Set contents] Contains 13 round files and 1 flat file. [Abrasive files in various sizes] We have 13 types of files in various sizes, from 0.4 mm to 1.6 mm. The polishing length is 25 mm, which is long enough for polishing work. 【High Quality Material】Made of high quality steel, it is the perfect tool for grooving wire into nuts and bridges. [Easy to use] The round file can be used to polish the string grooves and give them a smooth finish. The long shaft design makes it easier to handle when filing grooves. It also features quiet operation. A flat file can be used to sharpen the nut and the bridge of your guitar. [Compatible with a wide range of stringed instruments] This product is compatible with a variety of stringed instruments, such as guitar, mandolin, bass, ukulele, banjo, etc. Ideal for filing the string grooves of nuts.