This jazz guitar bridge can give your guitar a new voice with this innovative machined ebony bridge. The lightweight and design is easy to fix to your guitar. Its height is adjustable by the two knobs on . This is a great replacement for your old, dingy and dirty guitars bridge. Features - - Material: Metal & Wood. - Size:Approx. 12 * 2.5 * 2.5cm/ 4.7 * 4.7 * 1 inch (L*W*H). - for durable and use. - Lightweight for portable installation. - For 6-string 12-string violin mandolin. - Adjustable height by two knobs on bridge. Adjustable height 0.83-1.02in with base - Smooth surface, flat bottom, polished, highly commendable craftsmanship. Package list: 1 * Rosewood Bridge Floating For 6 String Archtop Jazz Guitar with Accessories Height Adjustable