Features: Improves Guitar Performances: This tremolo stop greatly improves guitar performances by stabilizing your tremolo. Working Principle:The tremolo bridge will automatically restore the fully floating tremolo to the accurate "zero" neutral position, eliminating tremors and sagging, and keeping the guitars tone unchanged. Compatible With: Vibratos stabilization kit can be used for guitars, and can be used for almost any style of fulcrums vibratos. Easy to Install: Easy to install, put on your tremolo guitar in the back cavity where the springs are. Feature: Tremolo stabilizer is made of good quality brass material.Durable for long term use. Specifications: Material: Brass Color: As The Picture Shows Style Options: 2 Styles are Available as Shown in the Picture. Size: approx.5.95x1.7x1.2cm/2.34x0.66x0.47in (More Size Detail, Please See Photo.) Package Includes: 1Pc x Tremolo Tune Stabilizer note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color of the item. Thanks!