Check the listing for details. Speaker Corner Protectors Cabinets Edge Corner Speaker Stackable Guard 16pack. Condition: New. Listed at 21.77 USD. Description:1. Made of 304 stainless steel for high strength, weld-ability, oxidation resistance, corrosion resistance and long-lasting durability.2. According to the length you need, it can be processed by using professional equipment. Besides, it can be threaded or welded to meet your needs.3. The interior is smooth with no seam and is available in an extruded structural or a drawn seamless stainless steel round tube for precision applications.4. Commonly used in industry, ship models, handicrafts, pipelines, mechanical structural components, etc. Especially in living decoration and industry, such as frames, crafts, gardening products, railings, shop fittings and furniture.Specifications:Material: 304 Stainless SteelSurface Treatment: PolishingOuter Diameter: 4mm / 0.16-inchWall Thickness: 0.6mm / 0.024-inchTotal Length: 250mm / 9.