2Pcs Electric Guitar Roller String Trees String Retainer Mounting Guitar Tree Guide for Electric Guitars Parts and Accessories Gold 1/Silver 1/Black 1 Description: - Roller String Tree String Retainer Mounting Tree Guide for Electric Guitar Parts Replacement - Suit for Electric Guitars - Made of high quality material, durable - Material: Iron Size Chart: Size: Approx. 10 x 3mm/ 0.39 x 0.11inch Package Includes: 2 Pieces String Retainer 2 Pieces Screws Silver 2/Black 2/Gold 2 Description: Guitar Roller String TreeHelp the guitar reduce the pressure on the strings, reduce the wear of the strings, and prolong the life of the guitar strings. MaterialRoller string guides are made of high quality iron material, strong and wear resistant, durable. FunctionString retainer guides provide high performance for the guitar, keep the tone for a longer time, it is the perfect accessory for the guitar. With ScrewString tree guides retainer comes with mounting screws, which is convenient for you to install and use. Guitar PartsUsed to replace old or broken guitar string retainers. Specification: Material : Iron Size Chart: Lenght: 1.1cm/0.43inch Package Includes: 2Guitar String Retainers Note: Please allow slightly errors due to manual measurement and different monitors.