#164 611 Series 1-3/4=10-3/4 Inner DiameterThe #164 611 Series 1 3 4=10 3 4 Inner Diameter is a high performance, medium to high pressure hose designed for hydraulic, fuel, oil, coolant, and industrial fluid transfer applications. With an inner diameter (ID) of 1 3 4" and an outer diameter (OD) of 10 3 4", this hose is reinforced for durability, flexibility, and resistance to extreme temperatures and pressures, ensuring long lasting performance in demanding environments. Specification Value