?Hey! Good News! Here we provide you with this Prefox TK001 Professional Guitar Tool Kit File + String Action Ruler + Winder which will not let you down! Adopting high-grade material and with fine workmanship・ this guitar tool kit features stable and reliable performance. It is durable to use. Professionally design for guitar・ the sides of files fit the thickness of guitar¨s 6 strings・ which is great to fix the height of top-nut. Besides・ the string action ruler is designed to speed up or slow down the strings. With a carrying bag・ this guitar tool kit is not only convenient to carry・ but also also a good gift!                                    Features             Lightweight・ compact・ easy to use<br> New and high quality・ durable in use<br> Files fit the thickness of guitar strings・ great to fix the height of top-nut<br> Speed up or slow down the strings<br> Convenient to carry<br> Professional designed for guitar   <br>                                                            Specifications             Brand     Prefox    <br> Modle     TK001    <br> File Lenght     7.68" / 19.5cm     <br> Bag Dimensions     (24.5 x 13.5)" / (24.5 x 13.5)cm (L x W)    <br> Weight     10.65oz / 302g       <br>                                                             Package Includes            3 x File<br>1 x String Action Ruler<br>1 x Winder<br>1 x Carrying Bag<br>1 x Stainless Ruler<br>