Professional Metal Four String Bass Bridge for 4 String Electric Bass Guitar (Silver) Description: This product is made of metal, so it is sturdy and firm e. There are also various colour for you to choose. It fits for 4-string electric bass guitar and comes with screws and hex wrench which make it easy to assemble. Features: Made of metal, this product is sturdy and firm. Different colour for you to choose what colour you like best. Premium material, helps to produce beautiful tone. Fits for 4-string electric bass guitar. Comes with screws and hex wrench, easy to assemble. Specifications: Item: Four-string Bass Bridge Material: Metal Size: Approx. 8 * 4.6cm / 3.1 * 1.8inch Weight: Approx. 124-127g Colour: Silver  Package Included: 1 * Four-string Bass Bridge (With Fittings)