The bridge tailpiece is constructed with strong copper and steel material, which ensures great endurance. Strings go through the bottom of the bridge and through the body. Top-Loading design for an easy installation. With fully adjustable saddles for intonation and height level, this bridge set is an excellent replacement for the old non-adjustable bridge set. Feature - Material: Steel+Copper- Color: Black- Space from space length: 14.1mm- Saddle Width length: 14mm-Note: part is random color- Easy installation. Strings go through the bottom of the bridge and through the body. 1piece of wrench and 5 pieces of mounting screws are included, no extra tools are needed.- Top-Loading design for an easy install and easy access. Fully adjustable saddles (for intonation and height level).- Constructed with strong copper material with finish, which ensures high glossiness and great endurance.- Suitable for mandolin, ukulele, cigar box guitars. Great replacement for your broken, dirty or old bridge tailpiece.- The bridge is rear string. However there is room at the back of the bridge to drill string holes if a simple front string loading is desired.Packing list: 1 x Bridge5 x Screw1 x Wrench