3pcs Big/Mid/Small Test Tube Bottle Cleaning Brushes Cleaner Laboratory Supplies

Features:
There are 3pcs Test Tube Brushes in the package, big, middle and the small one
Assists in cleaning the inside of test tubes.
small hoop on the end allows brush to hang

Purpose:
1. To clean the small bottle tools such as: in vitro, refined oil, plastic bottles, etc
2. To clean the jar tools such as: glass, beaker, cream cans, etc
3. Can clean without specification class bottles or tools etc

Specification:
Small: Length 180mm; hair length 75mm;
Medium: Length 210mm; hair length95mm;
Large: Length 250mm; hair length115mm;
Material:Pig hair and steel

Package included:
1x Test Tube Bottle Brush Big
1x Test Tube Bottle Brush Middle
1x Test Tube Bottle Brush Small