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. Fits for Gibson, Les Paul, SG Epiphone electric guitars... 4. Roller saddle to reduce friction and wear,reduce string breakage,help you stay in tune. Bridge Size : Width (17mm) Length (84mm). String Spacing: 10.1mm Tailpiece Size: Width (17mm) Length (100mm) Tailpiece Spacing between 2 studs (82 mm. from center to center) Colour:gold/black/silver Material:copper<br><br>Package Contents: 1 x Roller Saddle Bridge & 2 Studs 1 x Tailpiece & 2 Matching Studs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.