Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 50 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+.
This lime Hi- Viz Boonie Hat with orange trim is ANSI 107-Class Headwear. Polyester woven 300D oxford with PU coating. Mesh venting. 1" reflective tape. One size fits all, circumference is 24".
This orange Hi- Viz Boonie Hat with lime trim is ANSI 107-Class Headwear. Polyester woven 300D oxford with PU coating. Mesh venting. 1" reflective tape. One size fits all, circumference is 24".
100% polyester mesh. Elastic waist with drawstring. Pass through pocket slits and 2 back pockets. Conforms to ANSI/ISEA 107-2010 standards for design, color & reflectivity. Class 3 when worn with Class 2 or Class 3 vest.
• 100% polyester 600D oxford with PVC coating.
• Adjustable straps.
• Silver reflective strips.
• Two side pockets with mesh vents.
• Front mesh pocket sized to hold full brim or cap style hard hat.
This Hi-Viz lime backpack measures 19.6" x 13" x 9.4". 100% Polyester 600D Oxford with PVC coating. Adjustable straps. Silver reflective stripe. Large mesh pockets. Front mesh pocket can hold one of our safety patrol helmets. Audio port for communication device.
• ANSI Class 2 T-shirt.
• Black bottom to mask dirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 lime T-shirt with black bottom. The black bottom adds contrast, and keeps the vest from looking dirty, preserving your hi-visibility. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. Black bottom to mask dirt. One left chest pocket.
• ANSI Class 2 T-shirt.
• Black bottom to mask dirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 orange T-shirt with black bottom. The black bottom adds contrast, and keeps the vest from looking dirty, preserving your hi-visibility. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. Black bottom to mask dirt. One left chest pocket.
• ANSI Class 2 T-shirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 lime colored T-shirt. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. 1 left chest pocket.
• ANSI Class 2 T-shirt.
• 6 oz 100% polyester jersey knit
• Moisture wicking fabric
• 1 left chest pocket.
ANSI Class 2 orange colored T-shirt. 6 oz 100% polyester jersey knit with wicking treatment allows fabric to draw perspiration from skin to outside of shirt to evaporate. 1 left chest pocket.
• Neon Green with black ink
• Heavyweight 50/50 fabric
• Durable fabric
• Full cut for a comfortable fit
• Screened front only
• Adult sizes: S, M, L, XL
• Youth sizes: S (6-8), M (10-12) or L (14-16)
Neon green with black Ink. Heavyweight 50/50 fabric. Durable fabric, full cut for a comfortable fit. Screened front only. Specify size. Adult sizes: S, M, L, XL.
100% polyester woven oxford. Elastic waist. Pass through pocket slits. Conforms to ANSI/ISEA 107-2010 standards for design, color & reflectivity. Class 3 when worn with Class 2 or Class 3 vest.
These plug caps for test tubes are high grip hollow made of low density polyethylene. Hollow caps makes insertion and removal from test tubes easy. Sold in packs of 500.
Mechanics style glove with hook & loop wrist band, Hi Vis Lime with Silver reflective stripes, Synthetic leather palm and fingertips, Spandex with foam, neoprene cuff, lycra cuff binding.
• 100% acrylic
• Silver reflective stripe for visibility
• Great for under a hard hat or to wear alone
• Hi-Viz lime
• One size fits most
100% acrylic. Silver reflective stripe for visibility. Great for under a hard hat or to wear alone. Hi-Viz lime. One size fits most.
Orange high quality mesh vest features Velcro tab closures and elastic side straps with 2" lime stripes. Vest measures 47" x 18" and one size fits all.
Yields 10 Gallons of ready-to-use solution. A superlative holding fluid with safe, yet powerful fungicide properties. 90% Propylene Glycol, 9% Ethylene Glycol Phenyl Ether, and 1% Diethylene Glycol Phenyl Ether. Mix with water. In addition, this solution is an effective humectant. Using this holding solution ensures that your specimens stay moist, flexible, and mold-free.
Pre-mixed with water in 32 oz. spray bottle. 90% Propylene Glycol, 9% Ethylene Glycol Phenyl Ether, and 1% Diethylene Glycol Phenyl Ether. In addition, this solution is an effective humectant. Using this holding solution ensures that your specimens stay moist, flexible, and mold-free.
Equilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.
Equilateral. 45mm side. Has one hole for adding fluids to study refraction and dispersion.
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.
For suspending pulleys, balances, etc. from support rods, or cross members.
Plated steel collar clamps feature thumbscrews and hooks for suspending pulleys, balances, etc. from support rods or crossbars. For suspending pulleys, balances, etc. from 3/4 inch support rods, or cross members.
For demonstrating Hooke's Law and for studying simple harmonic motion of vibrating weight suspended from spring and potential energy. It consists of a heavy base with an adjustable mirror millimeter scale, a spiral spring with indicator and weight hanger. Complete with four 50g slotted weights. Instructions included.
For demonstrating Hooke's Law and for studying simple harmonic motion of vibrating weight suspended from spring and potential energy. It consists of a heavy base with an adjustable mirror millimeter scale, a spiral spring with indicator and weight hanger. Complete with four 50g slotted weights. Instructions included.
These weights feature flat countersunk bottoms, with a double-ended hooked rod through the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Set 9 weights consisting of 1 each 10g, 50g, 500g, 1,000g, and 2 each 20g, 200g weights. Weights are made of polished brass and come in a storage block.
These weights feature flat countersunk bottoms, with a double-ended hooked rod through the middle. They can be used on balance pans, as well as hooked in tandem for lever arm studies. Set 9 weights consisting of 1 each 10g, 50g, 500g, 1,000g, and 2 each 20g, 200g weights. Weights are made of polished brass and come in a storage block.
Features flat countersunk bottom, with a double-ended hooked rod through the middle. Can be used on balance pans, as well as hooked in tandem for lever arm studies. Made of polished brass.
1" horseshoe magnet with keeper. Lifts two pounds.