"Humboldt Manufacturing"

18" steel crucible tongs.

Firm Tabletop Support.

The perpendicular V-shaped jaws of these clamp holders are desiged to support rods and clamp extensions at a 90° angle.

Nickel-plated brass handles and borer tubes punch a variety of hole sizes.

Tip-free stability for experiments.

Provides Superior Stability for Your Experiments

Hardened steel wheel cuts glass tubes up to 1¹/₂" dia. Two V guides align the tubing and wheel is spring loaded to stay open.

A simple wire clamp that may be installed or removed without disconnecting tubing ends.

Ideal for vacuum filtrations under both high and low water pressure.

Bases are cast iron with black enamel finish. Rods are zinc plated steel and threaded to fit into the base.

This spoon is made out of durable brass.

Featuring slotted holes for four funnels, it is constructed of hardwood with a metal clamp and thumbscrew for attaching it to a support rod.

Holds rods vertically or horizontally. Cast iron, black enamel finish. Comes with rod (10 x 508 mm).

Sturdy cast aluminum alloy clamp can be swiveled and locked at any desired angle.

This clamp is made from one-piece, rectangular, nickel-plated brass spring wire with rounded edges.

Stainless Steel with Reinforced Wire Edges.