SKILCRAFT® Oversized Clamp-on Circuit Breaker with detachable cleat lockout device fits circuit breakers 2-1/4" x 7/8". The lockout measures 3" x 3-3/4" x 4" and accommodates one padlock, with shackles up to 9/32". The thumbscrew feature allows the device to be installed quickly and easily. Device is made from durable plastic and nylon. Made in the U.S.A. Six per package.