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