2.5X Magnifier Set. Affordable and dependable plastic magnifiers. Get one for every student in your classroom. 1 1/4" diameter lens. Set of 12.
Made of steel wire, chrome plated. Stand has a heavy wire gauge top. Overall height is 5", to accommodate all sizes of burners.
Made of zinc plated steel wire. Stand has a heavy wire gauge top. Overall height is 5in, to accommodate all sizes of burners.
Made of steel wire, chrome plated. Stand has a heavy wire gauge top. Overall height is 5", to accommodate all sizes of burners.
Made of zinc plated steel wire. Stand has a heavy wire gauge top with ceramic center. Overall height is 5in, to accommodate all sizes of burners.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 24 tubes, 25mm diameter. Red. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 40 tubes, 20mm diameter - white Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 60 tubes, 16mm diameter. Yellow. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
For 60 tubes, 16mm diameter. Yellow. Steam autoclavable up to 121 deg C (250deg F). Can be disassembled for storage. Dimensions 9.75" wide x 4" deep x 2.5" high.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
3 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
4 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
6 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
With cork-covered jaws, 8" total length.
With cork-covered jaws, 8" total length.
Magnetic, polytetrafluorethylene coated. For use with magnetic stirrers.
These polypropylene connectors are ideal for connecting tubing systems and vacuum lines. They will withstand flows to 20psi, and are autoclavable. Excellent chemical resistance. Serrated connecting surfaces to prevent tubing slipping. Adapters allow for connecting different diameter tubing.
Easy wind-up tapes are marked in inches and feet on one side and mm and cm on the other. Durable casing for years of use.
Easy wind-up tapes are marked in inches and feet on one side and mm and cm on the other. Durable casing for years of use.
Made of polypropylene, this autoclavable, unbreakable and non-corrosive basket is ideal for rinsing and draining glassware. It's also useful for storage of test tubes or culture tubes during sterilization or incubation. Dimensions 160mm x 160mm x 160mm.
White nylon test tube brush. Radial end. 10" long
White nylon test tube brush. Radial end. 10" long
White nylon test tube brush. Radial end. 9" long.
White nylon test tube brush. Radial end. 9" long.
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
Self-closing with rectangular jaw made of brass wire. 5" long. Will hold up to 1" diameter tubes (25mm)
• Discover the invisible world of magnetic forces
• "Draw" pictures with magnets
• Test the strength of magnets
Discover the invisible world of magnetic forces. Draw pictures with magnets. Make a magnetic driving test. Test the strength of magnets and learn how to lift objects without touching them! Explore the basic principles of magnetism with twelve hands-on experiments. Includes a full-color 16-page guidebook with simple step-by-step instructions and lots of pictures. Kit contains the necessary parts. Ages 5 and up.
10" long, prongs covered with rubber tubing.
10" long, prongs covered with rubber tubing.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
Two optically ground 1" double convex polished lenses fitted into black plastic threaded lens mount. Screw-in metal tripod stand. Black finish. Magnifies approximately 10 times.
Economical metal vernier caliper with 140mm capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeter and 1/16th of an inch.
Economical metal vernier caliper with 140mm capacity. Features inside and outside jaws, full length depth gauge, friction ruler and sliding lock for gauging. Graduated in millimeter and 1/16th of an inch.