Product Overview

A solid aluminum spacer ring is essential for installing our N666 Bullet Resistant Speak-Thru in glazing less than 1-3/16" (30 mm) thick. The Spacer Kits are specifically designed to accommodate the thickness of the glazing material and include one or two rings. A comprehensive Glazing Thickness Range Chart is available for your reference.

This spacer ring enables the use of the N666 Speak-Thru with glazing less than 1-3/16" (30 mm) thick, with each package containing two rings.

Stainless Steel Advisory: While stainless steel is corrosion-resistant, it is important to note that it is not rust or stain-proof. CRL recommends regular maintenance to uphold its original finish. For more detailed information, please review the Stainless Steel Disclaimer in the Technical References section below.