Test Tube Clamp Holder on Swivel Bosshead, 4 Holes - Fits 16mm test tubes

This test tube clamp holder is an essential tool in laboratories for securely holding test tubes during various scientific experiments and procedures. These holders are designed to provide a stable and safe grip on the test tubes, preventing accidental spills or breakage.
This test tube clamp holder has four holes, each with a 16.8 mm diameter for 16 mm test tubes. This clamp has a Swivel feature that allows for 360-degree rotation for precise positioning and angle adjustments during use. Made from durable materials such as aluminum alloy or stainless steel for longevity and resilience in laboratory environments. Excellent for laboratory use.