기능

• A drill that cuts well and lightly from ordinary steel to stains.
• It can be used cheaply and contributes to labor saving and cost reduction. Economic.
• With double Masamune points, it has good centripetal properties, cuts lightly and well, and makes quick drilling.
• ISO standard and high rigidity for wide range of use from electric drill to automatic machine.
• Steel case included.
• Convenient set of 21 pieces.