Blade Is Aus8 Stainless Hardened to 58-59 Rc | Intermateability Ul Listed and Csa Certified Interchangeability With Competitive Products. Suitable for Wet Locations When Used With Gaskets. Innovative Spring Clip Design for Installation Ease and Repeat Usage. Smooth Integral Wire Bushings Protects Cabl | Low Maintenance | Reinforced Rib for Extra Strength, Snap-on Feature