ITEM NAME:Marine Boat Thru Hull Fitting Connector / Drain, For 38mm 1-1/2 inch Hose Barb Description: Boat Thru Hull Fitting /Connector made of 316 Stainless Steel for durable use and long time services Carefully Polished to a beautiful, mirror-like finish Maximum corrosion resistance and durability in the saltwater environment. Thru-Hull Connections: excellent corrosion resistance to UV & weather-aging Straight Thru Hull Fittings are for use with hose Mounting Hole Diameter: 1/2 inch (12mm) Overall Length: 2.4 inch (62mm) Specification: Color: Silver Material:316 Stainless Steel Package Includes: 1x Boat Thru Hull Fitting 1x Nut Note: Please allow 1~3mm differs due to manual measurement. (1 inch = 25.4mm) Product color may vary slightly from what appears online due to monitor differences. SKU: DMO0000495267018075.Straight Thru Hull Fittings are for use with hose. 1x Boat Thru Hull Fitting. Color: Silver. Product color may vary slightly from what appears online due to monitor differences. Carefully Polished to a beautiful, mirror-like finish.