The Master Lock No. 410BLU Zenex™ Thermoplastic Safety Padlock features a 1-1/2in (38mm) wide plastic blue body and a 1-1/2in (38mm) tall, 1/4in (6mm) diameter metal shackle. Designed exclusively for Lockout/Tagout applications, the durable, lightweight, non-conductive lock body is easy to carry and padlock features high security, reserved-for-safety cylinder with key retaining, to ensure padlock is not left unlocked. 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

For more information, https://www.masterlock.com/products/lockout-tagout-solutions