✔ With degusting felt and string lubricate felt on the two sides, one remove the rust and the other lubricate the string, and rustproof too. Slide telescopic control system, easy to operate<br><br>✔ Lid cover on both sides, prevent volatilize of grease and dust proof. Compact design, easy to store and use<br><br>✔ String winder included for manual fix of string<br><br>✔ Professional designed string winder with a detachable head, can be installed onto the power tools, made string adjustment operation more quickly and easily<br><br>Buyer please note: Random color will be sent.<br><br>✔ Package Included:<br> 1 x String Care Kit<br> 1 x String Winder