This HANSEN B8KP36 male coupler is designed with a 1" female NPT socket end and a plug end diameter of 1 1/2 inches, making it a perfect fit for your plumbing needs. Made of high-quality brass material, this coupler ensures durability and reliability for your hydraulic, pneumatic, and plumbing applications. It is compatible with quick couplers and is a great addition to your pipe and hose fittings collection.