Function and purpose: A reliable lockout device designed to securely lock miniature circuit breakers during maintenance and testing, preventing accidental energization. Wide compatibility: Fits a wide range of commonly used miniature circuit breakers, enabling effective lockout across many panel types with one accessory. Easy locking method: Clamp the stainless steel pin onto the small holes on both sides of the breaker handle by lightly sliding your fingers. No tools are required. Durable construction: Made from sturdy nylon for strength and longterm use, providing dependable locking performance over repeated cycles. Tool convenience: Outwardfacing pin design eliminates the need for additional tools, streamlining the lockout process. Practical applications: Routine maintenance in manufacturing facilities or plants, ensuring safe servicing of electrical panels. Electrical panel servicing in commercial buildings, including during breaker replacement or testing. Field service or onsite repairs where quick, tool lockout enhances safety and efficiency.