Features:

The Bridge Height Adjusters are used to raise or lower the action height of the strings.

Material: Brass 

Suitable for: 4/4 3/4 1/2 1/4 Double Bass

Adjusts the height by swirling the screws.Good for upgrading your double bass 

Package List:

2 * screw

We can also make any size sound post for violins, violas, cellos and double basses

  You are welcome go to our store to see more musical instrument products.

As the shipping: The instrument will be delivered by EMS which is door to door service.