Nylon Bristles Metal Grip Test Tube Cup Beaker Cleaning Brush 3 in 1

The test tube brush is not only suitable for test tubes, also fit for cleaning all sorts of surfaces. After you finish your experiment, you can clean your test tube with it, very convenient.

Color : White, Silver Tone;Brush Size : Biggest: 7.5 x 1.6cm/ 3" x 0.6" (L*Max.D)Smallest: 7 x 1cm/ 2.7" x 0.4" (L*Max.D) Handle Size : longest: 10 x 0.2cm/ 3.9" x 0.08" (L*D)Shortest: 6.5 x 0.15cm/ 2.6" x 0.06" (L*D);Total Length : longest: 20cm/ 7.8"Shortest: 15cm/5.9" Net Weight : 20g Package Content : 3 in 1 Test Tube Brush