Ratchet down to quickly fit and secure ACCUFORM STOPOUT 120/240 Circuit Breaker Lockout device onto circuit breaker. Durable plastic housing encases the Circuit Breaker Lockout device which features a bar clamp design, allowing the lockout to simply slide onto a breaker switch and lock securely into place by closing the handle down. Simply lift open the handle and slide onto the breaker bar. Pump handle to grip breaker bar, then close the handle down and secure with a padlock (sold separately). About ACCUFORM: ACCUFORM manufactures visual communications systems for facilities and the workplace. Our products include almost every type of safety sign, tag, and label, as well as an extensive line of Lockout/Tag out products. Aciform is widely considered the leading facility safety identification manufacturer in North America and beyond. For nearly 40 years, ACCUFORM, headquartered in Brooksville, Florida, has continuously perfected and improved sign, tag and label manufacturing processes, safety procedures, environmental compliance, and distribution strategies to deliver world-class visual communications to the workplace that protect, inform, and motivate the global workforce.