Get your semi Ready for the Road Ahead with a secure connection between two pipes or fittings, with the Power Products 1/2" BP122 Brass Hex Nipple. Due to its hexagonal shape, this replacement component is able to be tightly fastened with a wrench to connect two female pipes or joints. Constructed with premium materials to be suitable for low and medium-pressure applications. FleetPride is your First Click in Heavy Duty .