Brady, 123347, Black Nylon Safety Padlock with 1.5" Shackle, 6 pcs (Keyed Alike) Features: Nylon Padlocks from Brady have nonconductive fiberglass-reinforced nylon bodies and unique key cylinders that prevent electricity from traveling from the shackle to the key. Padlock features a non-conductive nylon shackle to protect against electrical hazards during lockout applications. 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. Every lock in this set can be opened with the same key, which is beneficial when multiple locks are assigned to a single employee.