Borer Sizes: 6-piece nested set (4mm to 12mm)
Borer Material: Nickel-plated brass tubes
Brushes Included: Test tube brush, beaker brush, burette brush
Brush Bristles: Soft nylon with wire handles
Cleaning Rod: Solid brass punch rod
• Sharpened cutting edges on borers
• Loop handle on brushes for easy hanging
• Highly flexible brush handles reaching corners
• Nested borer design saving bench space
• Rubber Stopper Tube Hole Boring
• Laboratory Glassware Cleaning
• Burette Tube Scouring
• General Chemistry Lab Maintenance
