Application for: For all Detroit Diesel DD13, DD15, DD16 High Pressure Fuel Lines Description: 19MM High Pressure Fuel Line Socket Brand New and High Quality 1 Year Warranty Package included: 1× 19mm High Pressure Fuel Line Socket (As the picture shown) W/O Product Instruction Notes: Due to manual measurement, variations in lighting, and differences in displays, slight size and color discrepancies may occur. Thank you for your understanding. .