Elevator Door Stopper and Hall Key with Feeler Gauge

Elevator Door Stopper and Hall Key with Feeler Gauge. 3-in-1 Multi-function Design - Combines door stopper, hall key and feeler gauge in one compact tool, solving multiple maintenance needs with a single device. Premium Material Selection - Made of 304 stainless steel and high-grade aluminum alloy, offering excellent strength-to-weight ratio for durable and long-lasting performance. Lightweight & Ergonomic - Aluminum alloy components reduce overall weight, making it easy to carry and operate during long working hours without fatigue. CNC Precision Machining - Manufactured with advanced CNC equipment, fine turning and slow milling processes ensure high accuracy and smooth surface finish. Anodized Surface Treatment - Fine matte sandblasting plus anodized coating delivers a sleek, elegant appearance with outstanding corrosion resistance and wear protection. Design Patent Protection - Officially certified with registered design patents, ensuring legal compliance and protecting your investment in quality tools. Rugged & Reliable - Engineered for professional use, this tool withstands repeated daily operations while maintaining consistent performance and safety. Versatile Application - Ideal for elevator maintenance, installation and emergency access, suitable for technicians and building maintenance professionals.