6.35mm (1/4") to 4mm CNC / Router Reducer

Designed to allow you to use your standard collet size with smaller CNC bits.


  •  6.35mm (1/4") to 4mm collet reducer sleeve
  •  Allows for a larger range of CNC bits to be used
  •  High quality material
  •  Suitable for a range of materials
  •  Sent the same day via Royal Mail 48 when ordered before 2pm