Test Tube Rack, 20 mm, 40 holes

This stable, high-capacity, three-tier test tube rack holds 21 test tubes up to 30 mm in diameter.

For extra-large test tubes.

Pack of two test tubes.

Pack of two extra large test tubes, 20 x 150 mm.

Handheld clamp holder for heating a single test tube over a flame.

Pack of six test tubes.

A stable, economical test tube rack for holding standard test tube sizes.

This wooden stand fits all test tube sizes. Includes 6 drying pegs.

Everything you need for test tube experiments! This set contains 6 glass test tubes, a rack, cleaning brush, stoppers, and clamp.

Get lab glass test tubes in three sizes: small, large & extra-large. The large and extra-large borosilicate test tubes comes in packs of two, while the small come in packs of six. Bulk pricing discounts apply for them all!