Super Mica ... The Stuff The Pro's Use ! 

The ultimate bypass tool! This pack contains 5 mica sheets of the following:

3 x thin sheets 2 x thick sheets Used extensively by locksmiths, mica sheets are how it's really done - in films it's a credit card, but real locksmiths use mica.

Forget what the movies tell you 

To slip latches use mica cards