This bathroom privacy Screw/Fastener lock combines functionality with clear visual communication, making it an essential component for public restroom facilities. Constructed from durable zinc alloy and 201 stainless steel, this indicator lock is built to withstand the demands of high-traffic environments while maintaining reliable performance over time. The intuitive red and green color-coding system provides visual feedback—red indicates the space is engaged while green signals it's vacant—eliminating confusion and enhancing user experience. Weighing approximately 7.3 ounces, this lightweight yet sturdy lock installs easily on partition doors and bulkhead doors with plate thicknesses ranging from 0.47 to 0.71 inches. Its versatile design makes it suitable for various public settings including airports, train stations, hospitals, shopping malls, and office buildings. The silver finish offers a , professional appearance that complements most restroom aesthetics. Complete with mounting screws for straightforward installation, this privacy Screw/Fastener lock delivers the perfect balance of durability, ease of use, and clear communication for maintaining user privacy in any commercial or institutional restroom setting.