Features: Precision engineered, with quality Plating. The roller saddles are perfect for using with 6 stringed guitars, or just to reduce string breakages and add sustain on most style guitar. This model has 6.3mm post holes to drop over 6mm posts, typically found on most guitars and many other similar import guitar brands. Includes anchors and large threaded bridge posts with 6mm diameter top section. Material: Zinc alloy, the roller bridge is durable and corrosion resistant. 2.05''(52mm) string spacing E to e; 73.5mm center to center post spacing,Bridge is 14'' radius. Tune O-Matic style bridge with roller saddles for increased tuning stability, higher sustain and less string breakages. Six saddles with independent intonation adjustment. Specifications: Material: Zinc Alloy+Copper Color: Golden/Silver/Black Package Weight: approx.115g Size: As The Picture Shows Package Includes: 1Pc x Bridge 2Pcs x Studs note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color of the item. Thanks!