Natural boar bristles and stiff and soft bristles.
Flexible wound-wire handles conform to odd shapes, galvanized steel for rust resistance.
Not just for test tubes, bristles are great for cleaning all sorts of internal surfaces.
Bristle Material: Synthetic Bristle
Handle Material: Metal
Color: Yellow
Used for Cleaning Conical Flasks

Laboratory Glassware School Lab Equipment Suppliers in India 

Ltekonline are the manufacturers of Conical Flask Brush Glassware Flasks used to demonstrate engineering principles in Engineering Colleges, Engineering Schools and Laboratory Glassware for Engineering Teaching Lab in Universities