Sealing performance: Screw type drain plug with an O-ring washer for positive sealing. Mounts into a 1 "/ 25mm diameter hole in the helmet Material: Made of 316 stainless steel, strong strength and durable in salt water circumstances Protector: Plugs prevent water from entering the kayak and will keep it dry in the water Fixed performance: Stainless steel pantry drain plug provides bilge drain upon removal. Retention system prevents plug from getting lost Accessory: Great accessories for boat transoms, fishing pits, ice chests, yachts and more Features: Sealing performance: Screw type drain plug with an O-ring washer for positive sealing. Mounts in a 1" / 25mm diameter hole in the helmet Material: Made of 316 stainless steel, strong strength and durable in salt water circumstances Protector: Plugs prevent water from entering the kayak and will keep it dry in the water Fixed performance: Stainless steel pantry drain plug provides bilge drain upon removal. The retention system prevents the plug from being lost Accessory: Excellent accessories for boat transoms, fishing pits, ice chests, yachts and more Customer Service: If you are unsure about our products, please contact us via buyer's message. We will offer you the solution in 24 hours! Description: Material: 316 stainless steel Color: silver Weight: 100g Volume: 60 40 40mm Package includes: 1 Marine Stainless Steel Drain Plug Features: Sealing performance: Screw type drain plug with an O-ring washer for positive sealing. Mounts in a 1" / 25mm diameter hole in the helmet Material: Made of 316 stainless steel, strong strength and durable in salt water circumstances Protector: Plugs prevent water from entering the kayak and will keep it dry in the water Fixed performance: Stainless steel pantry drain plug provides bilge drain upon removal. The retention system prevents the plug from being lost Accessory: Excellent accessories for boat transoms, fishing pits, ice chests, yachts and more Customer Service: If you are unsure about our products, please contact us via buyer's message. We will offer you the solution in 24 hours! Description: Material: 316 stainless steel Color: silver Weight: 100g Volume: 60 40 40mm Package includes: 1 Marine Stainless Steel Drain Plug