ITEM NAME:Solid Boat Outboard Fuel Cap Marine 3 . 5HP Engine Gas Sealed Description: This is a outboard engine oil tank cap with a standard screw thread. Made of premium ABS plastic, durable, solid and strong for long time using High quality, original accessories, simple to install and use Designed with an oil amount checker gauge Compatible with 2-stroke 3.5HP Outboard Engine Specification: Material: ABS Plastic Color: Black Inner Diameter: 3.65cm/1.43inch Package Includes: 1 Piece Boat Fuel Tank Cap SKU: DMO0013537254045881.This is a outboard engine oil tank cap with a standard screw thread. Compatible with 2-stroke 3.5HP Outboard Engine. 1 Piece Boat Fuel Tank Cap. Designed with an oil amount checker gauge. Material: ABS Plastic.