Cockpit Drain - No ScreenFor use with 1-1/2" I.D. hose as part of a self-bailing cockpit system. Features short stem and narrow flange for installing through cockpits. Polypropylene construction.Specifications: Stem Length: 3-3/4" Max. Hull Thickness: 1-1/2" Flange Diameter: 2-1/8" Installation Hole Size: 1-7/8" WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.