Description Constructed from sturdy material, these test tube clamps support long term using. These flask clamps are suitable for fixing test tubes, flasks, and condensing tubes in the laboratory, making them a widely applicable tool, of great and multiple uses. Features -Color:As Shown -Material:Zinc alloy -Size:20.00X3.50X2.10cm/7.86X1.38X0.83in -Adopting sturdy material, these flask clamps are more durable and reliable, withstand long term using. -The ergonomic design of these flask clamps provides a comfortable grip, allowing users to work more efficiently. -Lightweight and portable, with a compact size, this test tube holder clip is convenient to carry and store. -Designed specifically for experimental test tubes and flask, this test tube holder clip is suitable for laboratory classes use. -Good clamp force, the test tube condenser clip save your time and efforts much better. Adopting sturdy material, these flask clamps are more durable and reliable, withstand long term using. The ergonomic design of these flask clamps provides a comfortable grip, allowing users to work more efficiently. Lightweight and portable, with a compact size, this test tube holder clip is convenient to carry and store. Designed specifically for experimental test tubes and flask, this test tube holder clip is suitable for laboratory classes use. Good clamp force, the test tube condenser clip save your time and efforts much better.