Material: Made of 304 stainless steel and rubber, strong and durable Adjustable: Installed from inside the back plate, rotatable, fully adjustable and won’t leak or wobble under vibration Application: Suitable for 32mm holes, typically used for bottom tanks, stern plates and dam hulls Convenient: Easy-to-use cam style for an airtight, long-lasting seal Package includes: 1 x drain plug Colour: Black Quantity delivered: 1 piece