Lock replacement cylinders. We sell lock cylinders for all different makes and lock models, If you need to change your key and you would like to DIY your own lock, simply buy the lock cylinder you need and replace it into your existing lock, giving you a new set of keys without the cost.  We have cylinders for window locks, garage t handle cylinders,dead lock cylinders, sliding door cylinders,gate lock cylinders,screen door cylinders. Often, if you have purchased a new house or commercial premises, it is only the cylinders that need to be replaced or re keyed, ask our helpful locksmiths, they can have your cylinders keyed alike or even put on a restricted key system. We sell 90% of the current lock cylinders available for Australian locks. If you require something a little different or more security, please email our locksmiths who will find it and list it in our online shop. shop@drlock.com.au In you need a locksmith see our service locations