Brady Safety Padlocks are the ultimate locks for all of your safety and security needs! Unique cylinder is insulated to protect workers from shocks when key is inserted and is 6-pin precision-machined for more unique key cuts and better tamper resistance. Their non-conductive, non-sparking body features a ribbed design for easier gripping and handling. Key retaining (Key won’t release until the padlock shackle is securely closed). These padlocks have the added advantage of being fully electrical resistant. The plastic shackle cuts off the electrical current from the shackle to the key. Each padlock comes with 2 keys and padlock labels.