Features: These jack nuts offer a firm grip and stability upon installation, making them ideal for fastening in situations requiring uncompromised strength and support The final installation forms a permanent, reusable thread insert, ensuring ease of maintenance and adaptability Specifications: Material: carbon steel Color: silver Size: 1/4''-20 Package includes: 50 X jack nuts Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Nice Material: our product is crafted from quality carbon steel, ensuring robustness, durability, and resistance to corrosion and rust; These threaded inserts for metal and plastic, including jack nuts and 1/4-20 jack nuts, promise a long-lasting solution for your fastening needs Versatile Installation: A single set of tools allows easy manual or power-driven installation of these threaded inserts; Whether you're securing a license plate or installing a household item, these threaded insert petal nuts are versatile and user-friendly for all applications Wide Application: these jack nuts and 1/4-20 jack nuts can be used in a wide variety of applications, from container hooks and clothes racks to TVs and wall lamps; They're the go-to solution for all your fastening requirements, offering the reliability you need for diverse projects Convenient Design: Ideal for thin, soft, or brittle materials, once tightened, the nut body collapses to form secure legs on the installation surface's inner side; This unique style provides a permanent and reusable threaded insert solution, especially with threaded inserts for plastic Package Include: the package includes 50 units, sufficient to meet your daily requirements; These threaded inserts for metal ensure that you're never caught short, providing all the quantity and quality you need to keep your projects on track ASIN B0FPQMCHQ7 Brand Otoolling Color Silver Model HUU-Otoolling-2546 Set Name 50 Pack 1/4''-20 Jack Nut Set Size Name 1/4''-20 Metal Type Carbon Steel Unit Count 50 Ounce Item Weight 7.36 ounces Part Number HUU-Otoolling-2546 Thread Size 1/4''-20 Thread Type Unified National Coarse (Unc) Finish Types Unfinished Grade Rating industrial Manufacturer Otoolling Thread Class Class 2A Thread Style Right Hand, UNF, 1/4''-20 Fastener Type Jack Item Diameter 0.25 inches Material Type Carbon Steel Item Highlight Spider Blind for Hollow Thin Wall, Zinc Plated Anchor Fastener, Secure Mount Plastic Aluminum Steel Pipe Iron Sheet Metal Exterior Finish Zinc Item Dimensions 3.35 x 3.15 x 2.09 inches Number Of Items 50 Number of Pieces 50 Outside Diameter 0.25 inches Screw Head Style Petal/Flanged Inside Thread Size #4 Compatible Groove Diameter 0.25 inches