tailpiece is constructed with strong copper and steel material, which ensures great endurance. Strings go through the bottom of 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 color - Easy installation. Strings go through the bottom of 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, box guitars. Great replacement for your broken, dirty or old bridge tailpiece. - is rear string. However there is room at the back of to drill string holes if a simple front string loading is desired. Package list: 1 x Bridge 5 x Screw 1 x Wrench