About this item

• Material: boar Bristles
• Assorted Sizes for Versatility: 10 packs of tube brushes in assorted size; Size S x 3 packs, Size M x 4 packs; Size L x 3 packs
• Flexible, Scratch-Free Cleaning: brushes can be bent for easy removal of stains and dirt without scratching labware; feature a small ring at the end of handle for convenient storage
• Convenient Storage and Multi-Use: for use in cleaning tubes, bottles, cylinders, pipes, or glass barrels; ideal for chemistry, biology, laboratory, kitchen, industry, and other applications