A must have for every security specialist who must bypass locked cylinders. This drill attachment will chew up every cylinder you put in front of it. The interchangeable tips allow you to instantly devour mailbox, knob locks, deadbolts, IC and more, gnawing through shear lines with fool-proof accuracy. The optional carbide bit works on high-security cylinders. Throw away all of your cylinder jigs and open everything with just one tool. The Cylinder Eater comes with the drill attachment, standard drill bit and 3 tips for .395" (10mm), .500" (12.7mm) and .550 (14mm)" all in a convenient carrying case.