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437 products
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
Specificiations:
Funnel
Outside Diameter: 18mm
Inside Diameter: 16mm
Length: 1.33 Inch (37mm)
Stem
Outside Diameter: 6mm
Inside Diameter: 4mm
Length: 7 Inch (180mm)
Overall Length: 8.5 Inch (215mm)
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
Specifications:
Funnel:
• Outside Diameter: 25mm
• Inside Diameter: 23mm
• Length: 1.8 Inch (46mm)
Stem:
• Outside Diameter: 7mm
• Inside Diameter: 4mm
• Length: 12 Inch (300mm)
Overall Length: 13.8 Inch (350mm)
The thistle funnel may be used to add liquid into laboratory glassware among many other uses. Made from borosilicate glass.
10" long, prongs covered with rubber tubing.
10" long, prongs covered with rubber tubing.
Just attach a discarded plastic soda bottle to each end of the Tornado Tube, one with water, one empty. Stand the empty bottle on a flat surface, as the water begins to flow down from the full bottle, a vortex will descend from the top with an amazing similarity to a tornado. Bottles not included.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Clear acrylic trapezoid. With one flat surface frosted to enhance visibility. Bases are 89mm and 40mm. Faces measure 47mm and 35mm.
Handy molded plastic magnifier has 2x,6x and 8x magnification lenses.
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.
Made of brushed aluminum. Gives a fixed tone when struck. Key: C. Frequency: 512.
Made of brushed aluminum. Gives a fixed tone when struck. Key: C. Frequency: 512.
Includes: two 5/16" Zinc plated steel nuts, four washers, and two 3" zinc plated hex bolts.
Includes: two 5/16" x 2 1/2" one-way head bolts, 2 5/16" aluminum break-away nuts and 4 washers.
• Personal Protective Equipment
• Eye Protection
• Bouton Goggles
Soft vinyl frame with 184 perforations for maximum ventilation. Optical quality, distortion free lenses. Adjustable elastic band. Easily fits over glasses. One size fits all.
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.
This 1 inch x 60 Yards Vinyl Floor Marking Tape is perfect for marking your gym floors, courts, or any hard smooth surface. Made of tough vinyl, this floor tape comes off clean and won’t scuff your floors, but is strong enough to hold up to foot traffic and equipment. This tough vinyl tape is the thrifty answer for marking floors WITHOUT PAINTING. You can put it down easily in straight lines or in a curve. Available in 7 colors. For INDOOR use only.
WARNING: Tape should not be used on recently finished floors. It is also necessary to consult a floor finishing expert before using tape on your floor in order to assess risk to floor. In addition, you should test tape on a small portion of your floor before applying any tape.
This 1/2 inch x 36 yards Vinyl Floor Marking Tape is perfect for marking your gym floors, courts, or any hard smooth surface. Made of tough vinyl, this floor tape comes off clean and won’t scuff your floors, but is strong enough to hold up to foot traffic and equipment. This tough vinyl tape is the thrifty answer for marking floors WITHOUT PAINTING. You can put it down easily in straight lines or in a curve. Available in 7 colors. For INDOOR use only.
WARNING: Tape should not be used on recently finished floors. It is also necessary to consult a floor finishing expert before using tape on your floor in order to assess risk to floor. In addition, you should test tape on a small portion of your floor before applying any tape.
Washington Student Collection Designed to accompany the Washington School Collection. 40 unlabeled chips in a zip-lock storage bag.
Washington Student Collection Designed to accompany the Washington School Collection. 40 unlabeled chips in a zip-lock storage bag.
Made from clear glass sheet, (1.8 to 2.0 mm thick) fine ground and polished edges. Packed in boxes of 12.
These 75mm Watch Glasses are made from clear flint glass (1.8 to 2.0mm thick), and have fine ground and polished edges. Packed in boxes of 12.
Spring measures 3" x 4". Can be extended many times its length without distortion.
Spring measures 3" x 4". Can be extended many times its length without distortion.
Attention crossing guards! Stay prepared and enhance safety on the streets with our Econo Lanyard and Whistle combo. The Econo Lanyard provides a practical way to keep your whistle within easy reach, ensuring you're ready to signal pedestrians and control traffic with efficiency. The Medium-Weight Metal Whistle, easily attaches to the lanyard, delivers a clear, sharp sound to effectively communicate directions and ensure safety. This durable and dependable pair is perfect for school crossings, intersections, and traffic control, offering you an affordable, long-lasting, and essential tool to excel in your role as a crossing guard. Elevate your safety measures with this invaluable package!
Includes:
• One 1 3/4" long Nickel-plated brass whistle.
• One Economy Lanyard with metal J-hook for quick and easy attachment
• Polyethylene bottle with polypropylene cap
• Excellent chemical resistance
• Features sealing plugs for leak-proof closure.
• Easy grip caps can be wired down for security.
• Head space between cap and insert plug can be used for confidential notes.
100ml Polyethylene bottle with polypropylene cap. Polyethylene bottles provide excellent chemical resistance and feature sealing plugs for leak-proof closure. Easy grip caps can be wired down for security. Head space between cap and insert plug can be used for confidential notes.
Polypropylene Space saving, graduated bottles are ideal for long-term storage of samples. Easy grip caps can be wired down for security. Head space between cap and insert plug can be used for confidential notes.
1-14 Paper strips, change for each full pH unit,100 strips per vial.
1-14 Paper strips, change for each full pH unit,100 strips per vial.
Quickly removes insulation without damaging wire. Set screw adjusts stripper to fit wire gauges from 10 to 24. Made from drop-forged, heat treated steel with black baked enamel finish. PVC handles. Total length is 4 inches.
Designed for spherical mirrors and lenses. Support is 5" tall and has a 1.5" V-shaped grooved wedge to hold mirrors or lenses 38mm to 100mm securely in place.
Designed for spherical mirrors and lenses. Support is 5" tall and has a 1.5" V-shaped grooved wedge to hold mirrors or lenses 38mm to 100mm securely in place.
Prismatic reflectors for full, even light pattern, perfect for professional working conditions. Brighter beam with a 100% brighter Krypton bulb. Toolbox-tough polypropylene construction resists impact, gas, grease, chemicals, water, corrosion. Scratch-resistant, break-resistant lens. Full lifetime warranty. Made in the U.S.A. Switches torture-tested to 100,000 on/off cycles. Resistant to extremes of temperature and humidity. Uses 2 "D" Batteries.
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