MasterLock 3KA0356 #3 Key-Alike Lock

Using the MasterLock 3KA0356 is easy. Just insert the key into the 4 - pin cylinder and turn it to unlock or lock. You can use it to secure your shed, bike, or locker. When using it, make sure the shackle is fully engaged to ensure maximum security. For maintenance, keep the lock dry to prevent rust. If the lock seems stiff, you can use a little graphite powder to lubricate the keyhole. Don't use oil as it can attract dirt and debris, which may damage the lock mechanism. Also, avoid exposing the lock to extreme temperatures for long periods as it might affect its performance.