English: Features: This product is made of copper-zinc alloy, steel and acrylic, good texture with fine workmanship, solid, firm and durable, ensures a long using life span. Comes with screws, springs and other mounting accessories, no additional tools needed, very easy to install and use. This is a fantastic tremolo for manually creating a lifelike vibrato. It is highly controllable in its range of motion and requires little force to operate. Excellent guitar accessory, very suitable for ST guitar. Specification: Condition: 100% Brand New Material: Copper-zinc alloy + Steel + Acrylic Weight: Approx. 230g/0.7oz Cover Size: Approx. 8.4 x 4.9 x 4cm/3.33 x 1.57 x 1.57in (Overall), 10.5mm/0.43in (String spacing/Spring installation hole spacing) Back Panel Thickness: Approx. 10.5mm/0.43in French: 2mm/0.1in Saddle Thickness: Approx. 5mm/0.2in Bridge Mounting Screw Size: Approx. 2.7cm/1.1in Optional Color: Gold, Black, Silver Package List: 1 * Bridge 6 * Bridge Mounting Screws 1 * Tremolo Bar 1 * Claw 2 * Claw Mounting Screws 3 * Spring 1 * Allen Wrench Note: The color of the claw is fixed The spring is sent randomly, and please make sure you will not mind before ordering.