ZING 7105 RecycLockout Lockout Tagout, Small Plug Lockout, Recycled Plastic Hollow cylindrical shell of 100% recycled polycarbonate that surrounds an electrical plug and combines with a padlock (sold separately) to help protect against plug connection during maintenance and repair Fits electrical plug sizes of up to 2" diameter x 3" length with cord diameter up to 1/2" Three locking holes provide ability to require multiple authorizations for access to a locked-out plug Label reads, "Danger - Do Not Operate - Equipment Locked Out" Accommodates padlock shackles of up to 3/8" outside diameter