Drill precise holes In Seconds!

• Drill bits are made of high speed steel 4241, the black parts are made of steel.
• Drilling hole depth can be adjusted by loosening and tightening.
• Only for drilling screw holes in wood and plastic; can not drill holes in steel material.
• Perfect for the bench drill, hand drill, etc.

Specifications:

• Materials: Drill 4241
• Shank: Hex Shank
• Size:
• 3mm*10mm
• 3mm*8mm
• 2.8mm*10mm
• 3.2mm*10mm
• 2.8mm*8mm
• 3.2mm*8mm

Includes:

• 1 x Professional Sink Hole Drill Head