Jim Black Escape Hatch 16" x 16" Trailer Lights with internal ribs that stiffen

with internal ribs that stiffen the parts of the mask that are most stressed

Accessories are mainly made by precision casting & forging with hot deep galvanized also called HDG

Flush- or bracket mount

and reliable Overlock cuff

4 bolt on 1” composite fins

Jim Black Escape Hatch 16" x 16" Trailer Lights with internal ribs that stiffenUV Stable Plastic Resin. Chemical Resistant. 2" Hollow Core Seal with . 500 Crush for Water Resistant Product. 1 4" Temper Glass for Strength, Clarity, and Chemical Resistance. Matching Trim Ring. Outside Dimensions : 19. 50" x 19. 50". Inside Dimensions : 16. 375" x 16. 375". Cutout Dimensions : 17" x 17".