2 Rings come in each package. (You get what is in the picture).
Interior Dimension 5 3/4''
Outer Dimensions: 6 7/8''
Each ring is 1/2'' thick
This is used to extend the speaker mounting depth by 1/2''.

Technical Details

Product Details

Product Dimensions

Package Dimensions
Width : 6.18 inch
Height : 1.11 inch
Length : 6.18 inch

Item Weight: 0 ounce (View shipping rates and policies)
Shipping Weight: 0 ounce (View shipping rates and policies)

ASIN : B015QBPW7S