Master Lock 410KARED Keyed-Alike Safety Lockout Padlock, Red 1-1/2-inch (3.8cm) wide 1-3/4-inch (4.4cm) tall Xenoy red body, shackle with 1-1/2-inch (3.8cm) clearance Designed exclusively for Lockout/Tagout applications High security, reserved-for-safety cylinder and key retaining - ensures that padlock is not left unlocked Compliance with OSHA -inchone employee, one lock, one key-inch directive Durable, lightweight, non-conductive Xenoy lock body