Good quality rount test tube rack will hold 24 tubes up to 20mm in diameter. Solid hi-impact plastic construction. Rack is 145mm in diameter, and 70mm high, and features a perforated bottom.

• 10 Pack - 20x150mm Pyrex Glass Test Tubes with Rubber Stoppers
• B004P4SGBC
• B004NW96BK
• B004RYF8KW
• B002JE719I