Wagner cast aluminum ball fittings are designed to create durable, corrosion-resistant railing systems using 1-1/2" Schedule 40 aluminum pipe. These mechanically assembled fittings are ideal for building custom handrails, guardrails, safety railings, and pedestrian barriers for commercial, industrial, municipal, and architectural applications. With a wide selection of tees, elbows, crosses, and specialty fittings, it's easy to design an attractive railing system.