Slip-on structural fittings employ case-hardened set screws for easy installation and are galvanized to ASTM A153 standards, making them corrosion-resistant for outdoor or indoor use. Models 68 and 115 fit Size 6, 7, and 8 standard pipe and come with triangular and trapezoidal wings, respectively. They easily suit installation of guardrails and balustrades to walls, ramps, steps, and parapets.