Special stop sign design makes it virtually impossible to miss when hasp is in use. Includes 6 lock holes and a slot for daisy-chaining hasps together. Also sold with companion storage board and lock box (87692). Dry erase marker can be used to write name, date, etc. on hasps. Lock holes are 5/16" diameter. Lockout hasp dimensions are 5 1/2"H x 3 3/8"W x 3/16"D and are sold 5 per package.