Watts Marine Chrome Plated Bronze Thru-Hull Assemblies are rated for service below or above the water line and are manufactured from naval bronze 85-5-5-5.
Features:

• Hand polished to a mirror finish
• UL listed
• Constructed of 85-5-5-5 naval bronze
• Heavy-duty nuts
• Straight NPSM threads
• Flanged back is grooved to accept bedding compound