The S2329 Aircraft Circuit Breaker Lockout device represents the first in a series of products for the Master Lock's Aviation Safety Lockout Program. It enables specific local lockout of individual electrical systems amid circuit breakers found in virtually all aircraft. It is a single device that fits multiple circuit breaker styles: long and short breakers as well as those with and without collars. It is easy-to-use and simplifies FAA as well as OSHA compliance. For more information, visit www.safetyseries.com/aviation.