<b>Unistrut 1-5/8" 90? Anti-Rotation Fitting P2626EG, 2 Hole Electro-Galvanized</b><br><br>Fittings are punch-press made and conform to ASTM specifications. Electro-Galvanized Zinc is deposited on part in an electroplating process. SC1 (mild) has a Zinc coating of 0.2 and is recommended for dry indoor use.<br><br>