Breaker Electrical Panel Lockout AK -ACB-36 kit for (480-600)-Pre- adhesive rail- no drilling require- suitable for application on oversized shaped switches - red & green blocking bar - 8" long - red mean locked off , Green mean - locked on. Lock out tag out One kit include 2 rail, 1 red & green block bar Mounting rail can also accommodate multiple lock-and hold the weight of lock. Read more: http://www.aktionsafety.com/contact-us