Two pieces of 304 stainless steel acorn cap nuts with a round ball head and finepitch thread, sized M20 x 1.5. These cap nuts cover the protruding end of a bolt and create a clean, finished appearance while protecting threads from damage and exposure. Key benefits Clean, finished look: round ball head design provides a smooth, attractive cap over bolt ends. Full protection: seals the bolt end to prevent dirt, moisture, and corrosion from entering the threaded area. Corrosion resistance and durability: made from 304 stainless steel for reliable performance in indoor and outdoor environments. Precise fit: finepitch M20 x 1.5 thread ensures a secure, snug connection with compatible bolts. Practical, costeffective: includes 2 pieces for convenient pairing on multiple locations. Key attributes Material: 304 stainless steel Type: Acorn nut (cap nut) with round ball head Thread size and pitch: M20 x 1.5 (fine thread) Quantity: 2 pieces End feature: dome ball head to conceal bolt ends Compatibility and performance Designed to mate with M20 bolts that have a matching 1.5 mm thread pitch. Suitable for applications where bolt ends require concealment and protection, along with a neat, finished surface. The 304 stainless steel construction offers good resistance to corrosion and wear in common environments. Use cases and applications Automotive or motorcycle body panel installation where exposed bolt ends need concealment and protection. Outdoor furniture, deck fittings, or garden equipment that require a durable cap for exposed bolts. Machinery, equipment housings, or modular systems where a clean appearance and protected threads are important. Maintenance and care Wipe with a soft cloth and mild detergent as needed. Avoid harsh chemicals that could affect surface finish. Periodically check for tightness and retighten if to maintain a secure fit. This description stays true to the product's original specifications and features: a 2piece set of 304 stainless steel acorn cap nuts with a round ball head, M20 x 1.5 finethread, designed to provide a protective, finished cap for bolt ends.