The Masterlock 406 Safety Padlock has a plastic shackle that helps prevent electrocution and arc flashing, also prevents electrical current from shackle to key

All components are non-sparking and non-magnetic - plastic, copper, brass 3.8cm wide 4.4cm tall  body, Plastic shackle w(3.8cm) clearance Designed exclusively for Lockout/Tagout applications

Durable, lightweight, non-conductive body 6-pin tumbler cylinder