Nibbler.A hand held tool for cutting sheet materials in the same fashion as a chassis punch.THe tool is used by placing the cutter onto the edge of the material or for internal cuts,inserting the tool into a pre-drilled 9.5mm diameter hole,then "biting off" small pieces of material.Ideal for cutting out slots,rectangles,large circles or irregular shapes.Can cut soft metals up to 18AWG and 1/16" soft plate.Also ideal for Plasticard.Overall Length 184mm.