GodHand CSB-40-42 Spin Mold 4.0mm-4.2mm 3pc Set

A tool set for drilling a hole with no need for a pilot hole

Features

• Set of 3 4.0mm, 4.1mm, 4.2mm
• Since the thickness of the shaft is unified to Φ3 mm, it can be replaced without replacing the collet chuck of the pin vice
• Comes with a case for easy storage and transport

How To Use

• Firmly insert the center guide into the center of the area where you want to drill the hole
• Slowly turn it clockwise with light force
• Dig to the desired depth