Product Overview

This solid aluminum Spacer Ring is essential when installing our N666 Bullet Resistant Speak-Thru in glazing that is less than 1-3/16" (30 mm) thick. Depending on the thickness of the glazing material, Spacer Kits include either one or two rings. A Glazing Thickness Range Chart is readily available.

It confidently allows for the use of the N666 Speak-Thru with glazing less than 1-3/16" (30 mm) thick.

Stainless Steel Advisory: While stainless steel is resistant to corrosion, it is not rust or stain-proof. CRL strongly recommends periodic maintenance to preserve its factory finish. For more information, please refer to the Stainless Steel Disclaimer in the Technical References section below.