기능

• A new patented mechanism minimizes bit bite during drilling and prevents bit loosening.
• Attached to a lightweight hammer drill to grasp various advanced tools.
• The use of the patented SD Super Firth gear provides bite prevention and strong anti-loosening.
• Conical sleeve that fits for hand tightening.
• You can easily attach the tip part by hand tightening.
• The shaft uses a thick shaft with excellent durability.