ITEM NAME:2 Piece Tremolo Double Bridge Locking System Durable Support System Description: Pack of 2 Electric Guitar Tremolo Bridge Lock Nut Stands Locking nut which can be used with your double lock system Great for bridges Flat ended set screw for positve contact Material: Zinc alloy, iron Color: Black, silver Package Includes: 2 x Guitar Tremolo Bridge Lock Nut Stand Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size. SKU: ALU0032217019424486.2 x Guitar Tremolo Bridge Lock Nut Stand. Locking nut which can be used with your double lock system. People always bought together with. Color: Black, silver.