Specifications: Product Name: Drain Weight: 1.6 oz Item Size: 1.0 x 2.0 x 2.0 inches (2.54 x 5.08 x 5.08 cm). Material: 304 Stainless Steel & Rubber Package Size: 1 x 2 x 2 inches. Package includes: 1 x Drain Plug Features: Sturdy corrosion resistant construction. Easy to use cam style conductors for a tight and permanent seal. Twist is not easy to leak and adjust. Suitable for 1" hole. Normally Boat Bilge Transom Sea Wall Bait Well Live Welfhal. All production and shipping have been tested and certified