Fender Roller 20PCS Guitar Roller String Trees Retainers String Benin Graphtech String Tree Set of 10 Electric Guitar Roller String Trees Retainer Black Guide... Easy to install: This guitar string guide does not require too many tools and can be easily installed and removed, making it ideal for beginners or professionals. Size: 1.1x1.1x0.45cm/0.43*0.43*0.17inch Suitable Range: Compatible with Strat style Tele style electric guitars, as well as fit most other guitars, please check the size before buying. Guyke Guita Sting Guide (Set of 2) – Stings Tees Strong and durable: made of durable metal materials, with anti-rust, wear and other characteristics. High Accuracy Professional Diamond Tester Pen Jeweler Tool for Novice and Expert - Diamond Selector II 9V Battery Included(Black) · Battery Powered