Guitar String Retainers Tree set of 4 chrome roller string trees with mounting screws. Precision metal construction designed to maintain proper string angle over the nut and reduce string binding for smoother tuning and more consistent tone. Key benefits Reduces string friction at the headstock by using roller mechanisms that allow strings to move . Helps maintain stable tuning and smooth bending by keeping strings seated with consistent pressure. Durable metal construction and chrome finish resist wear and blend with many electric guitar styles. Simple installation with included mounting screws for quick replacement or upgrade. Features Contents: 4 roller guitar string trees and 4 mounting screws. Material: Metal with chrome finish. Compatibility: Suitable for Fender Stratocaster, Telecaster and related electric guitar models. Dimensions: base size 0.24 x 0.43 inches 6 x 11 mm; total height including roller 0.47 inches 12 mm; roller size 0.41 x 0.20 inches 10.5 x 5 mm; string spread center to center 0.28 inches 7 mm. Performance and fit Rollers reduce friction where strings pass over the headstock, promoting smoother string movement and reducing the chance of binding at the nut. Compact footprint and standard screw spacing make these string trees a direct replacement for many Stratocaster and Telecaster style headstocks. Chrome finish provides a clean, professional look that matches common tuning hardware. Use scenarios worn or sticky fixed string trees on a Stratocaster to restore smoother tuning behavior. Install on a Telecaster style guitar when converting to a different set of tuners to ensure correct string angle and reduce slippage. Add to a related electric guitar headstock to improve tuning stability during heavy bending or extended play. Package ready for straightforward installation. Compatible with a wide range of electric guitars that use Stratocaster and Telecaster style string tree spacing.