Made of 316 corrosion-resistant Stainless Steel Require a approx. 1 3/8-inch hole, it is designed to connect with 5/8-inch interior diameter hose.the tank detail sizes refer to the left picture Adopt fine grinding mirror polishing, precise, bright and with good flatness. Maximum corrosion resistance and durability in the saltwater environment. Easy to install, no drilling or welding required. Specifications:

Condition: 100% Brand New
Material: 316 Stainless Steel
Color: Silver
Total Size: approx.83MM x 46MM(3.2 x 1.8in)(L x W)
HoLe O.D.: approx.16MM/(5/8")
HoLe I.D.: approx.12MM
Package List:

1 * Boat Fuel Vent
Kindly Note:

Please allow 1mm/0.04" error due to manual measurement.
Due to the different monitors and different light,the picture may not reflect the actual color of the item. Thanks for your understanding.