Knife-edge (lever) clamp

This metal burette clamp attaches to a ring stand to hold a single glass burette, test tube, flask, etc. for chemistry labs.

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An extension clamp is very versatile in setting up distillation or other laboratory equipment.

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For clamping rubber and plastic tubing to stop the flow of liquid.

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This deluxe double burette clamp can hold securely one single burette or two burettes simultaneously.

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Single throw, single pole knife switch. Has screw terminals to connect wires.

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