Please check the above measurement photo.

The unit is "mm" in the measurement photo.

Including as belows:

--1pcs of Neck Pickup ring,ivory,you can choose the flat or curved base bottom.
--1pcs of Bridge Pickup ring,ivory,you can choose the flat or curved base bottom.
--4pcs of Height adjusting screws and springs,you can choose on the above options.
--8pcs of pickup mounting scews,chrome,you can choose on the above options.