DescriptionMade of metal material, make it practical and durable, more easy to use. It can be used with most kind of guitar included cigar box guitar, let you DIY your guitar by yourself more easily. An professional and necessary tool for you and your musician friends.Features- Color: Black. - Size: 5 x 4.2 x 1.4 cm. - Material: Metal. -Made by material, durable and provide long service life. - Four-wire bass special drawing board, to be used for the bridge. - 3 string bass bridge,with 4 screw,Suitable for Jazz or P bass. - Solid metal,sweet tone and sound. - Height adjustable and Strings "top load" from the back of the bridge plate. - Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!