This set of 12 cork borers is ideal for science lessons, enabling precise cutting of holes in corks and rubber stoppers for experiments. Suitable for secondary schools and colleges, it supports practical investigations and laboratory work.

• Includes 12 nickel-plated brass borers with cutting edges and handles

• Diameters range from 4.7mm to 20.5mm for versatility

• Comes complete with a cleaning rod for easy maintenance

• Durable construction for repeated classroom use

• Designed for safe, accurate sample extraction in science labs

• Cork Borer Diameters:

  • Number 1: 4.7mm

  • Number 2: 6.3mm

  • Number 3: 7.8mm

  • Number 4: 8.9mm

  • Number 5: 9.8mm

  • Number 6: 11mm

  • Number 7: 12.7mm

  • Number 8: 14.2mm

  • Number 9: 15.8mm

  • Number 10: 17.5mm

  • Number 11: 19mm

  • Number 12: 20.5mm