General description The Connect Common Rail Copper Injector Washer is designed for use in diesel engines, providing a reliable seal for common rail injectors. This product includes 50 washers, each measuring 16mm in diameter with a 7.5mm inner diameter and a thickness of 1.7mm. Technical specifications Outer Diameter: 16mm Inner Diameter: 7.5mm Thickness: 1.7mm Quantity: 50 pieces