This highly stable jack can be adjusted to any height between 2-1/2" to 10" (64mm to 254mm). The jack will accept loads up to 10 lbs. (45.4 kg). The unit is constructed of aluminum top and bottom plates with a baked-enamel finish and plated steel cross members. Height adjustments are achieved by…

Screw Compressor Clamps are used to control the flow in flexible tubing. The clamps have a machined adjustment screw to permit accurate regulation of the flow. All corners are rounded to prevent cutting of the tubing. The clamps feature brass construction that is plated for corrosion resistance and…

The Humboldt Mfg. Co beaker tong, extra long breaker tong and replacement ceramic sleeves are suitable for use in research facilities and chemical laboratories while conducting experiments. They are made of high quality material which ensures long lasting usage.

The Humboldt Mfg. Co test tube clamp is suitable for use in research facilities and chemical laboratories while conducting experiments. It is made of high quality material which ensures durability and long lasting usage.

This handy tool is used to sharpen borers from 3/16" to 15/16" (5mm to 24mm). The solid brass cone has a hinged steel blade in a slot; mounted in a hardwood handle.

The Table Clamp is designed to support meter sticks and other round or square rods, either vertically or horizontally up to 1" (25mm) thick. The Vee's are milled at right angles and the clamp can be mounted on table edges up to 1-3/4" (45mm) thick. Each jaw can be adjusted separately. Heavy cast…

Similar in design to our Screw Compressor Clamps except that the compression adjustment screw has a 1" (25mm) diameter serrated head for greater leverage. The clamps are constructed from brass and plated for corrosion resistance.

Attaches to laboratory table tops up to 1-3/4" (45mm) thick. Cuts glass tubing up to 1-1/2" (38mm) diameter. Aluminum alloy casting with gray hammerloid finish. Hardened steel cutting wheel.

These inexpensive sets are used to bore holes in corks and rubber stoppers. They consist of plated tubing with precision ground cutting edges. The smooth plastic handles are stamped with a number designation. A punch is included with each set.

Wire gauze squares with turned edges. Material: Nickel Steel Alloy

This clamp is constructed from hardwood with a smooth finish and self-closing spring. The clamp will accept tubes up to 3/4" (19mm) in diameter. Overall length is 7" (178mm).

Wire Models and Extension Rings Wire Models Formed, bright basic wire circle is welded to shank (except 2" size). Aluminum muff. Attaches to support rods up to 3/4" (19mm) in diameter. Extension Rings Shank of Extension Ring clamps to support rods with clamp holder.…