Potassium Iodide, lab grade, granular - 25g.
• Concealed under brim technology
• 2 LEDs pointing outward for distance applications
• 2 LEDs angled downward for close and medium task applications
• 48 lumens of light output - twice the light output of any lighted cap on the market.
• 43 hours run time.
• 13 meters forward lighting.
• 4 way switch
• Solid colored cap, 100% polyester fleece. 97% polyester/3% spandex.
• Four replaceable lithium CR-2032 batteries.
• One size fits most.
Concealed under brim technology takes lighted headwear to a new level of functionality. Now the POWERCAP Stealth 2575 has expanded on this technology to provide the market with the most advanced lighted cap ever. 4 way switch available again. When you click the button, two lights turn on, click again, two different lights turn on, click again, all 4 lights on, click again, all 4 lights turn off. Delivers twice the light output of any lighted cap on the market. 4 ultra-bright LEDs: 2 LEDs pointing outward for distance applications and 2 LEDs angled downward for close and medium task applications. 48 lumens of light output. 43 hours run time. 13 meters forward lighting. Adjustable hook and loop tape closure. Solid colored cap, 100% polyester fleece. 97% polyester/3% spandex. Four replaceable lithium CR-2032 batteries. One size fits most.
• Combines Ultra Bright LED technology with ANSI rated yellow safety material
• The perfect hands free flashlight.
• Yellow microfiber hat with reflective grey trim that let’s you be seen from all angles
• Perfect for walking or working at night
• 4 LED’s provide more than 48 Lumens and are concealed under the brim
• When you do click the easy on/off switch under the brim, you’ll notice that
• 2 LED’s are angled down 25 degrees to light up your hands for close up tasks
• 2 LED’s are aimed forward to light the distance up to 42 feet away.
• 4 CR2032 Coin Cell batteries are hidden in the sweatband and are easily replaceable
• 43 hours of battery life
POWERHAT LED Lighted Safety Hats Combine Ultra Bright LED technology with ANSI rated yellow safety material to provide you with the perfect hands free flashlight. The Yellow microfiber hats have reflective grey trim that let’s you be seen from all angles. Perfect for walking or working at night, you can rest assured that you will be easy to see. The 4 LED’s provide more than 48 Lumens and are concealed under the brim so the hat looks just like any other hat until you need to turn them on. When you do click the easy on/off switch under the brim, you’ll notice that 2 of the LED’s are angled down at 25 degrees to light up where your hands are for close up tasks, while the other 2 LED’s are aimed forward to light the distance up to 42 feet away. 4 CR2032 Coin Cell batteries are hidden in the sweatband, provide up to 43 hours of life and are easily replaceable.
Helps students understand how and why gyroscopes are used for many guidance systems. This is a well-balanced, high quality gyroscope with adjustable bearings. The accessories include plastic gimbals, rocker and pivoting housing. This unit measures 100m x 190mm. Instructions provided.
Helps students understand how and why gyroscopes are used for many guidance systems. This is a well-balanced, high quality gyroscope with adjustable bearings. The accessories include plastic gimbals, rocker and pivoting housing. This unit measures 100m x 190mm. Instructions provided.
The Project Planetarium is ideal for individual study projects. Causes of 2 day and night, seasonal changes, phases of the moon, and planet locations are easily understood. The small planetarium model and solar system chart, 22"x17", may be set to show actual positions of the earth, the moon and planets at any given time. Each set includes planetarium, chart and study guide.
• Lightweight 100% polyester oxford with PU coating
• Pocket slits on side with rain guard
• Ankle snaps and fly closure
• Class E (for ensemble) when worn without other ANSI compliant garments
• Class 3 when worn with a Class 2 or Class 3 upper garment
• Available in 2 colors and 7 sizes
ANSI Class E (ensemble) when not worn with other ANSI 107 garment. 100% Polyester woven oxford w/PU coating. 5.5mm. Pocket slits on side with rain guard. Snap ankle and fly closure. Class 3 when worn with Class 2 or 3 vest. AwareLite reflective trim.
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Replacement Belt for Van de Graaf Generator
Replacement Belt for Van de Graaf Generator
If you already own a checker, this replacement electrode will fit any checker.
If you already own a checker, this replacement electrode will fit any checker.
10 kinds of Resistances mounted on a box type plastic base. Ideal for introduction of resistance in a circuit. 5, 10, 15, 200, 470, 1K, 2K, 10K, 50K and 100k resistances. Connection by 4mm sockets. 8"(200mm) x 5"(125mm) x 1"(25mm).
10 kinds of Resistances mounted on a box type plastic base. Ideal for introduction of resistance in a circuit. 5, 10, 15, 200, 470, 1K, 2K, 10K, 50K and 100k resistances. Connection by 4mm sockets. 8"(200mm) x 5"(125mm) x 1"(25mm).
Excellent reference collections and a valuable aid in identifying and comparing common and rare rocks and minerals. These mounted collections display common minerals and igneous, sedimentary and metamorphic rocks. Specimens are 1/2"-1". Rocks and Minerals Study Guide included. Grades 5-12. Ages 10-18.
These 4" wide Vinyl, pressure-sensitive, die-cut arrows come ready to apply. Sold in rolls of 100 in 5 colors.
These 4" wide Vinyl, pressure-sensitive, die-cut circles come ready to apply. Sold in rolls of 100 in 5 colors. Colors may vary slightly from colors shown.
- ANSI Class R2 lime vest.
- Flame Retardant treated polyester mesh background material
- 2 pockets- 1 exterior chest, 1 interior bottom
- Zipper closure
- Conforms to ANSI/ISEA 107 standard for design, color and reflectivity.
- Does not comply with the flame resistant requirements of ANSI 107-2015 as an FR garment.
These belts offer superior visibility at a reasonable price. Made of strong nylon webbing with Velcro for size adjustment. Available in 4 colors and 4 sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
These Safety Patrol Belts have Avery HV 1200 high visibility reflective vinyl stripes, and offer superior visibility at a reasonable price. Made of strong nylon webbing with hook and loop closure for size adjustment. Available in 4 colors and Sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
These belts have a high visibility fluorescent strip and offer superior visibility at a reasonable price. Made of strong nylon webbing with Velcro for size adjustment. Available in 4 colors and 4 sizes.
Small = Waist sizes 26" to 30"
Medium = Waist sizes 25" to 32"
Large = Waist sizes 30" to 36"
X-Large = Waist sizes 36" to 44"
2X/3X = Waist sizes 44" to 52"
4X/5X = Waist sizes 48" to 56"
• The traditional 5-panel cap
• 100% polyester front.
• Seamless foam front panel with lining.
• 8 row stitching on visor.
• Matching fabric undervisor, sweatband, and braid plastic adjustable snap.
• Orange or Yellow
• Available with or without Safety Patrol Emblem
This orange cap has a 100% polyester front. The traditional 5-panel cap has a seamless foam front panel with lining. 8 row stitching on visor. Matching fabric undervisor, sweatband, and braid plastic adjustable snap.
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.
This is the Traditional Scale of Hardness Collection and a Test Kit. Includes Streak Plate, Penny, Glass Plates, Nail and nine specimens 1" x 1.5" number coded. Grades 6-12. Ages 11-18.
Versatile, polypropylene containers are graduated in ounces and milliliters. Graduated to 2 ounces.