Master Lock 410BLK Safety Series Padlock, High Visibility Aluminum body, 2-inch, Black 1-1/2-inch wide 1-3/4-inch tall Xenoy black body, shackle w/1-1/2-inch clearance Designed exclusively for Lockout/Tagout applications Durable, lightweight, non-conductive Xenoy lock body Customize on-site with permanent, write-on labels Compliance with OSHA "one employee, one lock, one key" directive