1. Material: 316 stainless steel2. Installation hole distance: 40mm3. Product adaptation: suitable for marine keel plate, 1-inch hole diameter4. Installation location: on the deck5. Function: control and guide water flow6. Applicable to: ships, yachts, kayaks (red gasket + screws)7. Precision casting, mirror polishing process, high surface finish, not easy to rust, maintain long-term gloss, and enhance the overall aesthetics of the installed items8. 316 stainless steel has higher strength and toughness, can withstand greater water pressure and external force impact, and ensure long-term use without deformation and damage9. The product is detachable design for easy cleaning10. Net weight: 91g/182g11. Size: 5.6x5x3.7cm12. A9627: Stainless steel drain plug x1pc, installation screws x 2pcs13. A9634: Stainless steel drain plug x 2pcs, installation screws x 4pcs