The Whitecap Compression Handle is designed to reduce and eliminate noise and rattle from hatches while the boat is underway. The handle uses a compressed gasket to create a watertight seal for compartments or hatches. Outer Diameter: 3"Cutout: 2-1/2"Surface Depth: 1/8" - 3/4"Shaft Length: 1-9/16" - 1-3/4"Material: NylonStyle: Non-locking Made of black nylon | Whitecap 3" Non-Locking Compression Handle, Black Nylon