DescriptionStainless steel material does not rust in wet environment, strong anti-oxidation ability, good surface gloss. Stainless steel expansion screw for manhole cover net scenting, Easy to install and used in heavy-duty facilities, not easy to break, deform, and has a long service life.Features- Color: Silver. - Material: Stainless steel. - Size: About 9.00X2.20X0.90cm/3.54X0.86X0.35in. - The smooth surface and unique design make it easy to install and not hurt your hands. - The overall appearance design is simple and elegant, suitable for most decoration styles. - The carefully selected materials are not easy to deform or break and can be used for a long time. - Closed ring design, suitable for heavy-duty, providing strong bearing capacity and security. - Have been treated with excellent technology and can be used safely, not easy to deform and break.