ITEM NAME:Strings Headless Rope Lock Pin Puller Set Electric Guitar Bridge Parts Description: - Suitable for headless electric guitar replacement - Perfect help to lock the string tightly - Made of high quality zinc alloy, anti-corrosive and durable - Supplied with 1 wrench and 2 mounting screw, easy to install - Efficient guitar string winder A very handy guitar repair tool Size Chart: Length: Approx. 42mm/ 1.65inch Total Length: Approx. 4.21 inch / 10.7cm Package Included: 1x String Locking Nut 2x Mounting Screw 1x Wrench 1x Guitar String Winder.Efficient guitar string winder A very handy guitar repair tool. 1x Guitar String Winder. - Perfect help to lock the string tightly. 1x String Locking Nut. - Supplied with 1 wrench and 2 mounting screw, easy to install.