WEN Universal Weatherproof Generator Cover, Extra Large (Fits up to 24 x 33 x 28 in) Plastic Cap Nails Grade 8 Strength: Heat-treated steel

Grade 8 Strength: Heat-treated steel provides high tensile performance for heavy-duty assemblies

Q: Can this be used below grade or under slabs

Q: What wall cavity is this size intended for

They are partially threaded along the shank

WEN Universal Weatherproof Generator Cover, Extra Large (Fits up to 24 x 33 x 28 in) Plastic Cap Nails Grade 8 Strength: Heat-treated steelExtra Large Universal Weatherproof Generator Cover Protect large portable generators from rain, sun, snow, and debris with this universal, extra large cover. A UV and water resistant vinyl exterior shields against the elements while a soft cotton lining prevents scratches, and an elastic base with drawstring ensures a snug fit. Key Features: Weatherproof Protection: High grade UV and water resistant vinyl exterior guards against rain, snow, and sun