The Parker-Hannifin 43 Series Steel Crimp Style Hydraulic Hose Fitting is designed to provide a secure and reliable connection for hydraulic systems. This fitting is made with high-quality steel materials for durability and longevity and features a single piece design that cuts down on complexity and leakage paths. The Nut Hex Size is 1-1/4" and the Back-Up Hex Size is 1-1/16", making it easy to push on with minimal force. This fitting also features No-Skive technology, which provides quick, effective and secure production methods. With a wide range of end configurations, this fitting is perfect for any hydraulic system. FleetPride is your First Click in Heavy Duty®.