320859 Features: - Comes with a complete set of installing tools - Easy to install Color: silver Material: alloy Locking nut size: 43mm Dimension: about 10.5 x 7.5 x 6.5 cm Suitable for 7 strings electric guitar 1 x Guitar Bridge 1 x Lock Nut 1 x Lock Saddle 4 x Screws 2 x Lifting Screws 2 x Wrench 3 x Spring 1 x Whammy Bar