The special grip on the CRL Fletcher® Heavy-Duty Plastic Cutting Tool was designed to give you fatigue-free, easy cutting of plastic and related products. It's exclusive shape produces 55% more pressure than light-duty disposable models. Special blade design reduces any possibility of flexing or blade breakage during use. It comes with one APB121 Long Blade and complete instructions. Replacement Blades and a Blade Retaining Clip are available separately.