".2mL PCR tubes"
Polypropylene Tubing Holders
Autoclavable polycarbonate clip that fits over the lip of a beaker, bath, or other vessel.
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Day’s Pinchcock Tubing Clamp
A simple wire clamp that may be installed or removed without disconnecting tubing ends.
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Mohr's Pinchcock Tubing Clamps, United Scientific Supplies
Quickly pinch closed tubes of different sizes.
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Mohr’s Pinchcock Tubing Clamp
This clamp is made from one-piece, rectangular, nickel-plated brass spring wire with rounded edges.
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Hoffman Screw-Compressor Clamps for Flexible Tubing
Easily clamp tubes up to 1" in diameter.
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Burette/Tube Clamp
Single burette/tube clamp made of high-strength alloy, equipped with spring-loaded jaws, has a width capacity of ⁷/₈", holds burettes up to 100 ml, and fits maximum rod diameter of 16 mm.
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Test Tube Clamp With Finger Grips (Stoddard Clamp)
Pick up test tubes easily and safely.
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Eisco Test Tube Holder Clamp on Swivel Bosshead
Versatile swivel bosshead test tube clamp holder to increase user friendly operations.
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Screw Compressor Clamp with Closed Jaw
Used to control flow in flexible tubing.
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Screw Compression Clamp with Open Jaw
Easily clamp tubes up to 1" in diameter.
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Double Adjustable Burette Clamp, Stainless Steel
Hold two burettes at adjustable angles.
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Extension Thermometer Clamp
Hold thermometers at odd angles and distances safety.