Profile: Laboratory Craftsmen Inc. supplies thermowell heating mantles for r.b. chemical flasks, powermite bench-top AC power controls and econostir magnetic stirrer. We offer regulate resistive heat circuits that includes mantles, heat tapes, water baths, small ovens, and incandescent lamps. We offer magnetic stirrers that are designed for stirring the contents of round-bottom flasks that are being heated with a flask heater such as a thermowell or other heating mantle, which can also efficiently stir liquid systems in beakers and flat bottom flasks.