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 arrive places.
- Product Name : Test Tube Brush;Material : Nylon, Metal | Color : As Picture Shown;Brush Size : 8.5 x 1.6cm/ 3.3" x 0.6" (L*Max.D) | Handle Size : 10 x 1cm/ 3.9" x 0.4" (L*D);Total Length : 19cm/ 7.5" | Net Weight : 35g | Package Content : 5 x Te
- Color : As Picture Shown;Brush Size : 8.5 x 1.6cm/ 3.3" x 0.6" (L*Max.D)
- Handle Size : 10 x 1cm/ 3.9" x 0.4" (L*D);Total Length : 19cm/ 7.5"