Polypropylene with serrated connecting surfaces. Autoclavable, excellent chemical resistance. Two sizes available.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. 10-1/2 in. x 7 in. x 3-1/4 in.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank. 10-1/2 in. x 7 in.
Unique features include flexible, shatterproof material, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Great for creating terrariums, small aquariums, or as a "critter" cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, rounded corners for easy clean up, and no-drip cover. Exclusive design forces condensation to remain in the tank.
Great for creating terrariums, small aquariums, or as a critter cage. Solves the cracking and breakage problem of rigid plastic and glass tanks. Unique features include nestable to save storage space, flexible, shatterproof material, molded foot pegs that prevent scratching and temperature transfer, and rounded corners for easy clean up. Half gallon tank. 5-3/8 in. x 7 in. x 3-3/4 in.
Nickel-plated brass burner tube 11 mm diameter with rotatable non-removable air regulator. On stable cast iron base, baked hammertone finish, with serrated gas inlet tube 9 mm outer diameter.
Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube.
Nickel-plated brass burner tube 13 mm diameter with rotatable non-removable air regulator, on stable cast iron base, baked hammertone finish, with serrated gas inlet tube.
3 inch strong zink-plated steel horseshoe magnet with North and South poles marked. Supplied with keeper.
The 21 plastic fossils and detailed Laboratory Manual in this kit will let your students become practicing paleontologists. Kit conveys importance of fossil study to investigations in geology, history, mapping, and stratigraphic correlation. Grades 7-12.
• Works well at job sites, parking lots, crowd control etc.
• Durable and water resistant units
• Batteries last up to 100 hours
• Visible up to 3000 yards away
• Bright, long lasting colored LED lights
• Three settings
• Uses 2 C batteries (not included)
• 13.3" overall length, light is 6.5" long
This Light Wand is very affordable, almost to the point of being disposable. Works well at job sites, parking lots, crowd control etc. Durable and water resistant units. Batteries last up to 100 hours. Bright, colored LED lights are visible up to 3000 yards away and good for over 100,000 hours of run time. Triple function: constant flashing (fast), constant flashing (slow) and continuous light. Uses 2 C batteries (not included) 13.3" overall length, light is 6.5" long.
• Made with 0.35mm thick waterproof PVC laminated to rayon material
• Dual air flow ventilation
• Machine welded seems
• Corduroy collar for comfort
• Windproof double fly snap closure
• Snap sleeve and leg closure
• Exclusive STORMMAX protection ensures dryness and comfort
• Applications: Crossing guards, survey crews, law enforcement, ranching, and forestry.
Built for tough conditions, this rainwear is made with 0.35mm thick waterproof PVC laminated to durable rayon for long-lasting protection. Dual air flow ventilation and machine-welded seams keep you dry and comfortable, while a soft corduroy collar adds extra comfort. The windproof double fly snap closure, along with snap sleeve and leg closures, ensure a secure fit against harsh weather. Featuring exclusive STORMMAX® protection, it’s designed to deliver maximum dryness and comfort in the field. Ideal for crossing guards, survey crews, law enforcement, ranching, and forestry, this gear is ready for any storm.
School Safety Patrol incentive button. Red on Yellow.
Standard flashlight sized bulb with threaded base.
Standard flashlight sized bulb with threaded base.
Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality silvered glass. Focal length 150 mm.
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave.
Unmounted, high-quality optical glass with ground edges. Set includes 6 lenses: 1. Double convex 2. Plano convex 3. Concave/convex 4. Double concave 5. Plano concave 6. Convex/concave.
4 inch strong zink-plated steel horseshoemagnet with North and South poles marked. Supplied with keeper.
For 28" cones. Reflective high tack adhesive backed cone collars made from tough, durable, and flexible UV stabilized polyester sheeting. Three times brighter than previous cone collars and comply with FHA requirements. Cone not included.
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.
Tinned iron. Ceramic. Turned edges.
Tinned iron. Ceramic. Turned edges.
Heavy stock horseshoe magnet with keeper.
5 inch strong zink-plated steel horseshoemagnet with North and South poles marked. Supplied with keeper.
Cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.
5 inch cast iron, zinc-plated support ring with boss head clamp and thumbscrew. Distance from support to center of ring is 4-1/2". For rods up to 1/2" diameter.