This high quality universal retractable removable shopping trolley token key permits you to unlock the trolley without a coin.
Item number: STK-001*4 
This design is not limited on wooolworths, coles or aldi.
It would also work on other similar or the same locks from other supermarkets.
You only need to insert this kit in either the coin slot to release the chain, or insert as shown in the picture to release the chain on the sliding tray lock side.  
This device is removable & retractable. Laser cut from stainless steel with long lasting. 
Sold for 4x trolley keys.

This product fits the below vehicles. Please check that your vehicle is in the list before purchasing:

Brand Machter Autoparts Online
Shipping Weight 0.1000kg
Shipping Width 0.050m
Shipping Height 0.050m
Shipping Length 0.050m
Shipping Cubic 0.000125000m3
Unit Of Measure ea