For uneven inner mounting surfaces, an optional self-leveling mounting kit is available for all IML Underwater Thru-Hull Lights. Each includes a floating bronze clamp ring and 4 bronze set screws.

Mounting Ring Kit for Low Voltage IML Underwater Hull Light, includes Ring and 4 Set Screws, Silicon Bronze - Weight: 1.046 lbs.

Mounting Kit for Low Voltage IML Underwater Hull Light includes Ring & 4 Set Screws, Stainless Steel - Weight: 1.046 lbs.

Mounting Ring Kit for 83000 Series 150W Underwater Hull Light includes Ring and 4 Set Screws, Stainless Steel - Weight: 0.500 lbs.