Heavy Heavy Bars 0.2mm Thick 

Up size your flat bars ! 

coming in at .79 ( 2mm thick ) these are the thickest one's yet.

Some locks have wide open giant key ways and for that you need very thick tension tools to get a solid hook up 

Tension control is one of the most important aspects of lockpicking & if you have a specfic lock in mind that has a large keyway then these bars will be essential for your requirments