Features: 1.100% brand new high quality and testing is fine. 2.Made of high quality material, durable. 3.Roller String Tree String Retainer Mounting Tree Guide for Electric Guitar Parts Replacement. 4. Improves performance for your guitars,it stress on your strings which allows the guitar to stay in tune longer. 5.This also prevents wear and tear on the strings which results in longer string life. 6. Metal made, come with mounting screws, ready for use. Description: Material: Iron Color: Chrome/gold(As shown) Size: Approx. 10 x 3mm/ 0.39 x 0.11inch Package Includes: 2 x String Retainer Guides 2 x Screws Excellent product quality, stylish appearance design, effective use effect, product production goes through a strict screening process Use simple small objects to greatly improve the quality of life As a supplement to the instrument, it can ensure the effectiveness of the use of the instrument Please read the item description carefully to understand the size of the product and the content of the package The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness