Brady, 123413, White Long Body Safety Padlock with 1.5" Shackle, 1 pc (Keyed Different) Features: Nylon Padlocks have nonconductive fiberglass-reinforced nylon bodies and unique key cylinders that prevent electricity from traveling from the shackle to the key. Lightweight, nonconductive and non-sparking body. These lightweight padlocks comply with all requirements and offer superior temperature, chemical and corrosion resistance. Non-conductive nylon padlocks are a safer alternative to metal locks for lockout applications. Reserved, paracentric keyway provides optimal security and the special design prevents the key from being released until the padlock shackle is closed.