Pure latex gum tubing. A clear amber color. Flexible, with long life under constant use. 3/32" wall thickness.
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 4" x 6" base
This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.
This is the perfect "carry-with-you" magnifier-microscope. Just 5 1/4" x 1 3/4" x 3/4" with a built-in light source and optics to let you see objects 30 times their actual size. Uses two "AA" batteries (not incl.) and features a center focus wheel for precise one-hand operation. Ideal for inspecting gems, photos, stamps, coins, and learning about plants and insects.
Good quality, one-piece plastic frame magnifying glass. Glass lens.
75mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.
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)
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Black bristle. Double tufted end. 1 3/4" brush diameter. 16" overall length.
Box of 100, Smooth. Medium Flow rate and retention. Suitable for 95% of laboratory qualitative studies.
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.
With cork-covered jaws, 8" total length.
With cork-covered jaws, 8" total length.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 53mm, Height: 46mm
Sturdy plastic, calibrated in grams and ounces (1000g/2.2 lbs.). Zero adjustment dial for accuracy. 5" x 3" x 3/4".
Sturdy plastic, calibrated in grams and ounces (1000g/2.2 lbs.). Zero adjustment dial for accuracy. 5" x 3" x 3/4".
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Porcelain. Glazed inside and outside except bottom outside surface. Outside Diameter: 35mm, Height: 300m
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.
Stainless steel spatulas with both ends flat.
Stainless steel spatulas with both ends flat.
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.
Quality white clay pipe stems. Galvanized iron wire. 2" side length.
Quality white clay pipe stems. Galvanized iron wire. 2" side length.
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.
This pocket magnifier features a 38mm diameter lens, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lens. This magnifier is very versatile, and magnifies objects 5X.
This pocket magnifier features a 38mm diameter lens, and offers a much larger (almost twice) field of view compared to regular pocket magnifiers. Sturdy plastic frames, glass lens. This magnifier is very versatile, and magnifies objects 5X.
3" glass "medicine dropper" with rubber bulb.
Plastic construction one piece, open bottom for viewing insects and small objects, clear acrylic sides for light to pass through. 1.8" diameter lens, 8x magnification fixed focusing. Bottom diameter 2.25". Total height 2.1".
Plastic construction one piece, open bottom for viewing insects and small objects, clear acrylic sides for light to pass through. 1.8" diameter lens, 8x magnification fixed focusing. Bottom diameter 2.25". Total height 2.1".
Adjustable 360 degrees jaw rotation. For attaching up to 1/2" diameter rods. Aluminum muff with steel thumbscrew.
Clamp with Hook can be rotated and locked in any position. Ideal for supporting suspended thermometers, drying tubes, etc. The clamp attaches to rods up to 13mm (1/2") O.D.
Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 500 gram, non-rolling hexagonal mass is made of steel, and features a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.