1. Generally used to press string, it is . 2. The effect of vibrato and fermata is good. 3. It is convenient to install the strings, perfect replacement for the one. 4. Complete accessories and great workmanship, it is a good set for yours 5. The material of bottom column and saddle the durability of product. Type: bridge Condition: colour:Silver Material:Zinc alloy + iron Package Contents: 1 x tremolo crank 1 x Spring hook 1 x Hook screw 1 x string lock 2 x String lock installation screw 3 x Hook spring 2 x lift screw 1 x 3MM wrench 1 x 2.5MM wrench 1 x Pull string board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.