The Replacement blade to be used with Item# TGC1311 Gyro-Cut Cutting Tool. The above package contains one replacement blade and blade cover. The amazing GYRO-CUT craft and hobby tool is designed to easily cut thin sheet materials such as paper, vinyl, and 4 mil mylar plastic. This hand-held tool has a 360 degree rotating blade which enables you to cut very complex shapes easily and quickly. Unlike other craft knives, the GYRO-CUT blade will not readily cut human skin in normal use. This Gyro-Cut cutting tool is manufactured by Crafty Products