기능

• The tip of the blade is coated with diamond particles to bite the screws.
• Whole body electroless nickel plating protects bits from rust.
• No magnet, suitable for drill screw work where iron conflict is avoided
• It is easy to see the screw head and driving point with the blade tip. Torsion on the neck part absorbs shock when sitting.
• Bit new material, die hard steel, different strength and stickiness, maximum hardness HRC62.
• Stainless steel screw work around decks and exteriors
• duct fabrication
• Drill screw work such as siding
• For slant work such as mounting stair members and wall construction, or screw tightening work on unstable scaffolding.