caralin 1pcTest Tube Holder 6 Hole Plastic Rack Stand Burette Stand Shelf Laboratory

Features: The test tube is f ABS plastic with 6 holes. Diameter of four holes is 18mm. Diameter of 2 holes is 13mm. it is convenient to hold and move. Useful for students. Perfect for teaching use at school. Material: ABS Plastic. Size: 16×4.9x5cm/6.30×1.93×1.97″. Economical and space-saving test tube rack for student use or applications in lab or at home. Easy to disassemble and install, convenient to carry. and long service life, easy to clean.

Features

• The test tube is f ABS plastic with 6 holes. Diameter of four holes is 18mm. Diameter of 2 holes is 13mm.
• it is convenient to hold and move. Useful for students. Perfect for teaching use at school.
• Material: ABS Plastic. Size: 16×4.9x5cm/6.30×1.93×1.97″.
• Economical and space-saving test tube rack for student use or applications in lab or at home.
• Easy to disassemble and install, convenient to carry. and long service life, easy to clean.