Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Good quality, one-piece plastic frame. Glass lens.
50mm magnifying glass with glass lens molded into a high quality unibody plastic frame. 2.5x magnification.
Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".
Zinc plated steel extension rings. Rod diameter is 5/16" overall length is 12".
Porcelain. Glazed inside and outside except bottom outside surface.
Porcelain. Glazed inside and outside except bottom outside surface.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Sturdy plastic, calibrated in grams and ounces (1000g/2.2 lbs.). Zero adjustment dial for accuracy. 5" x 3" x 3/4".
• Deluxe set includes everything needed to teach liquid measurement and equivalencies
• Students will recognize, measure and estimate liquid volumes
• Set includes 5 Measuring Jars, 3 Liquid Measurers, 5 Measuring Cups, and 6 Measuring Spoons
• All pieces are clearly marked and made of durable plastic
• Ages 5+
This deluxe set is the perfect sized classroom set for learning measurement equivalents. Students practice customary capacities, liquid measurement and metric conversions with suggested activities included. Made of durable plastic, each piece is clearly marked to provide years of use. Includes teacher's guide. Set includes a liquid measuring cup (8oz/250ml), pint (16oz/500ml), quart (32oz/1000ml), standard spoons, 1 teaspoon,1 tablespoon, standard cups, measuring jars with gill, pint, quart, half-gallon, gallon (metric 100ml-3000ml)
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13.
Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.
Black bristle. Wooden handle. Tufted end. 3 1/4" brush diameter. 13" overall length.
For rods up to 1/2" diameter.
4 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2 inches. For rods up to 1/2 inch in diameter.
This 27 inch x 36 inch adult size apron is for efficiency and cleanliness. Reinforced at points of strain (6 mil). Quality tapes at waist and neck.
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
Capacity: 200 Grams Readability: 0.1 Grams Pan Size: 14.5cm x 13.3cm Weighing Units: g, oz, lb, N Compact scales are easy to maintain and suitable for any environment. Scales use 3-AA batteries (included), or AC adapter (included). The energy saving features of auto shut-off (5 min.), long battery life and sturdy construction provides overload protection up to 150% of capacity. User calibration is digital from keypad with external weight. Display is 11mm LCD. Weighing modes: g, lb oz, N. Full-range tare as well as display indicators for low battery, overload, underload and stable conditions.
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
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.
Griffin type. Made of Zinc alloy. Die cast. Nickel plated. Cuts tubing up to 38mm (1 1/2") diameter. Spring loaded to stay open.
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.
Super Stripe Traffic Paint is heavy-duty and lays miles of lines so you get more stripes per dollar. One case will give you about 2,400 linear feet of bright crisp 3" lines. Perfect for parking lots, floors and safety zones. 12 cans/case.