Model Expo - 1/8" (3mm) Brass Airports 24 pcs

Model Shipways Brass Airports 1/8" (3.0mm) 24 pack

Also called portholes, these machined Brass rims have a flange and ring for easy and secure insertion into pre-drilled holes, and will conceal any raggedness around the perimeter of the hole. Inside, there is a machined seat for acetate, or cover glass "glazing"