1、With brass roller saddles, height adjustable. 2、Both Bridge and Tailpiece are curved to accommodate the radius of the neck or for use on an arch top guitar. 3、Compatible with Gibson, Les Paul, SG Epiphone electric guitars. 4、Roller saddle to reduce friction and wear, reduce string breakage, help you stay in tune. 5、Package includes 1 * Roller Saddle Bridge \u0026 2 Studs, 1 * Tailpiece \u0026 2 Matching Studs, 2 * Wrench. Features: With brass roller saddles, height adjustable. Both Bridge and Tailpiece are curved to accommodate the radius of the neck or for use on an arch top guitar. Compatible with Gibson, Les Paul,  Epiphone electric guitars. Roller saddle to reduce friction and wear, reduce string breakage, help you stay in tune. Package includes 1 * Roller Saddle Bridge & 2 Studs, 1 * Tailpiece & 2 Matching Studs, 2 * Wrench. Specifications: Color: Black / Silver (Optional) Material: Ball String Code: Copper Body: Zinc alloy Package Weight: 235g / 8.29oz Package Size: 15 * 10 * 3cm / 5.91 * 3.94 * 1.18in Package List: 1 * Roller Saddle Bridge & 2 Studs 1 * Tailpiece & 2 Matching Studs 2 * Wrench 1 * Roller Saddle Bridge & 2 Studs 1 * Tailpiece & 2 Matching Studs 2 * Wrench