ITEM NAME:2x Stainless Steel Boat Thru Hull Fitting Marine Hose Barb Connector 1" Description: 1 inch Marine Boat Thru Hull Fitting Marine-Grade 316 Stainless Steel Corrosion resistance and durability in the saltwater environment. Height: Approx. 72mm / 2.83 inch Great accessories for boat/marine/yacht/kayak Specification: Center hole diameter: Approx. 25mm / 1 inch Package Includes: 2 Pieces 1 Inch Boat Thru Hull Fitting Note: 1. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm).Great accessories for boat/marine/yacht/kayak. Marine-Grade 316 Stainless Steel.