Product Name : Test Tube Brush;Material : Nylon, Metal
Color : As Picture Shown;Brush Size : 8.5 x 2cm/ 3.3 inch x 0.8 inch (L*Max.D)
Handle Size : 10 x 1cm/ 3.9 inch x 0.4 inch (L*D);Total Length : 19cm/ 7.5 inch
Net Weight : 35g
Not just for test tubes, the nylon bristles are great for cleaning all sorts of surfaces.
It's also very flexible, you can bend it around for hard to reach places.
Package Content : 10 x Test Tube Brush