Heavy-Duty Hydraulic Quick Connect Couplers Effortless Hydraulic Line Connections Made Simple Our hydraulic quick connect couplers feature a 1/2" body and 1/2" NPT thread, designed for superior performance and durability. Constructed from hardened steel with a zinc-nickel plating, these couplers are built to withstand rust, high pressures, and harsh conditions, ensuring long-lasting corrosion resistance. The sleeve locking system guarantees a secure and quick connection, making them an essential tool for any hydraulic application. Innovative Engineering for Superior Performance Fast and Easy Connection Mechanism Durable Hardened Steel Build Protective Dust Covers for Added Cleanliness Wide Compatibility with Various Systems Key Features Hardened Steel Build: Crafted from tough stainless steel, these couplers withstand high temperatures and resist deformation. The zinc-nickel coating offers strong protection against rust and corrosion, ensuring a durable, long-lasting performance.