The lightweight 33g design features an internal shape for secure access control and multiple brand compatibility throughout the elevator system Durable premium alloy construction provides longer life than standard aluminum tools and is ideal for elevator maintenance in humid environments For commercial skyscrapers, property management offices, repair scenarios where tool storage is critical This security grade wrench is designed with dimensions (L x W x H) for organized tool kits to prevent access while maintaining workplace efficiency Essential for professionals, building managers and maintenance staff requiring certified elevator tools, Manufacturer: Netbiio