Fully adjustable brass saddles for harmonics. with smooth working rollers. Roller saddle to reduce friction and wear, reduce string breakage, help you stay in tune. Both Bridge and Tailpiece are curved to accommodate the radius of the neck or for use on an arch top guitar. Fits for , , SG electric guitars... Fit and function are perfect. About this item: 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 , , SG electric guitars... 4. Roller saddle to reduce friction and wear, reduce string breakage, help you stay in tune. 5. Please note the diagram. Description: Ball String Code: Copper Bridge: The distance of two studs: 73.5mm spacing: 51.5mm Tailpiece: The distance of two studs: 81mm Studs body diameter: 2mm Rollers actually roll, saddles are fully adjustable and reversible, both bridge and tail stop are curved to accommodate the radius of the neck and/or for use on an arch top guitar. Feels solid and heavy duty. Fit and function are perfect. The tune-Omatic Bridge was exactly what you expected at this point. size: 16 x 10 x 5 cm Material: brass + metal colour: gold Package Contents: 1 x roller saddle bridge 4 x studs 1 x tailpiece 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.