Designed exclusively for lockout tagout applications Durable, lightweight, non-conductive Thermoplastic lock body Customize on-site with permanent, write-on labels Compliance with "One Employee, One Lock, One Key" directive High security, reserved-for-safety cylinder Key retaining, ensures that padlock is not left unlocked 6-pin tumbler for Keyed Alike (KA), Keyed Different (KD), and Master Keyed (MK) styles Choose from 1-3/4 inch (406 and 410) or 3 inch (411) body heights Dielectric (406) options available.