Best in Class Product: This Sierra 18-9146-9 19.8mm Oetiker Clamp is a top-notch product, designed to meet the demands of high horsepower engines and withstand harsh marine environments OEM Replacement: Sierra products replace original equipment parts, ensuring compatibility and quality Durable Material: Made of durable glass, this clamp is built to last Dimensions: Product dimensions are 1 centimeter in width, length, and height Weight: The item weight is 1.96 pounds