4" Inside Diameter Unit - 1.00" to 1.50" Thickness Range Table Grommet This 1/2" ID Wall Eye

This 1/2" ID Wall Eye Wall Port fits a wall thickness of between 5 3/4" - 7 3/8" in thickness

This 2" ID Wall Port accommodates a wall or barrier thickness between 10" - 13 1/2"

This unit also offers a replacement for the flush mount units and hinders the ability to see through the unit from one room to the other even on interior installation

from one side of the barrier to the other

(Shown beside standard wall port to help give size relevance)

4" Inside Diameter Unit - 1.00" to 1.50" Thickness Range Table Grommet This 1/2" ID Wall EyeThis is a 4" Inside Diameter Unit 1. 00" to 1. 50" Thickness Range. You will need to have a hole that ranges from 4 7 8" 5 1 8" for installation, with 5" being our ideal installation hole size. This is a 2 piece unit that screws together from each end of the barrier you are penetrating, so you much have access to both sides of the object (such as a wall, floor, desk, etc.).