Have a stop lock up for sale as i don't use it anymore. In good condition, the led light bit needs a new battery but other than that, spot on.
Link to what it looks like:http://www.stoplock.co.uk/original.htm
Cost £50 new, looking for £10 plus delivery.
Local pickup preferred, as may cost a bit to post.
Paypal gift or plus fees
Pick up from Milton Keynes ideal!