Refine
view allMain menu
-
- ANSI Class 2 Products (23)
- ANSI Class 3 Products (6)
- ANSI Class E Products (4)
- Armbands (9)
- Buttons (11)
- Gloves (3)
- Hats & Caps (8)
- Helmets (7)
- Jackets (15)
- Pants (Reflective) (4)
- Pinnies (7)
- Rainwear (10)
- Safety Patrol Belts (5)
- Safety Vests (50)
- Slip-Over Capes (3)
- T-Shirts (7)
- Winter Apparel (19)
- Women's Apparel (4)
-
- Aluminum Traffic Signs (Regular) (71)
- Aluminum Traffic Signs (Reflective) (58)
- Cone Top Sign Holder & Street Sign Sets (4)
- Crosswalk Signs (11)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (6)
- Maintenance Signs (6)
- Paddle & Wand Signs (12)
- Reversible Signs (22)
- School Bus Safety Signs (22)
- Sign Posts & Bases (10)
- Snap-On Cone Signs (27)
- Steel Sign Holder (1)
- Stop Signs (28)
- Vinyl Cone Sign Kits (19)
- Wet Floor Signs & Cones (4)
-
- Astronomy (11)
- Biology (30)
- Books (19)
- Botany (7)
- Bunsen Burners (8)
- Chemistry (97)
- Dissecting Kits & Specimens (16)
- DVDs (48)
- Earth Science (54)
- Electricity (61)
- Glassware / Plasticware (48)
- K'Nex Technology Kits (0)
- Lab Equipment (18)
- Lab Stands & Accessories (18)
- Lab Tools (31)
- Lab Trays & Test Tube Racks (14)
- Life Science (33)
- Light & Color (38)
- Microscopes (14)
- Magnetism (38)
- Magnifiers (15)
- Physics (44)
- Porcelain (6)
- Posters (12)
- Robotics (28)
- Science Fair (4)
- Sound & Waves (6)
- STEM (26)
- Thames & Kosmos Science Kits (23)
- Thermometers (11)
- Weather & Climate (16)
Filters
Weights
14 products


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.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 500 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+.

Includes 1 each of 1, 5, 10, 50 and 500 mg weights; 2 each of 2, 20 and 200 mg weights. Comes in rectangular plastic box with rider and forceps
Includes 1 each of 1, 5, 10, 50 and 500 mg weights; 2 each of 2, 20 and 200 mg weights. Comes in rectangular plastic box with rider and forceps

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1/2 pound, non-rolling hexagonal mass is made of steel, and feature a durable black oxidized finish. Hexagonal masses are easy to work with and accurate. Suitable for ages 11+.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1/4 pound, 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+.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1 ounce, 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+.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 200 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+.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 100 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+.

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+.

Made of steel, and feature a durable black oxidized finish. Customary and metric sizes.
This 1 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+.
Refine
view allMain menu
-
- ANSI Class 2 Products (23)
- ANSI Class 3 Products (6)
- ANSI Class E Products (4)
- Armbands (9)
- Buttons (11)
- Gloves (3)
- Hats & Caps (8)
- Helmets (7)
- Jackets (15)
- Pants (Reflective) (4)
- Pinnies (7)
- Rainwear (10)
- Safety Patrol Belts (5)
- Safety Vests (50)
- Slip-Over Capes (3)
- T-Shirts (7)
- Winter Apparel (19)
- Women's Apparel (4)
-
- Aluminum Traffic Signs (Regular) (71)
- Aluminum Traffic Signs (Reflective) (58)
- Cone Top Sign Holder & Street Sign Sets (4)
- Crosswalk Signs (11)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (6)
- Maintenance Signs (6)
- Paddle & Wand Signs (12)
- Reversible Signs (22)
- School Bus Safety Signs (22)
- Sign Posts & Bases (10)
- Snap-On Cone Signs (27)
- Steel Sign Holder (1)
- Stop Signs (28)
- Vinyl Cone Sign Kits (19)
- Wet Floor Signs & Cones (4)
-
- Astronomy (11)
- Biology (30)
- Books (19)
- Botany (7)
- Bunsen Burners (8)
- Chemistry (97)
- Dissecting Kits & Specimens (16)
- DVDs (48)
- Earth Science (54)
- Electricity (61)
- Glassware / Plasticware (48)
- K'Nex Technology Kits (0)
- Lab Equipment (18)
- Lab Stands & Accessories (18)
- Lab Tools (31)
- Lab Trays & Test Tube Racks (14)
- Life Science (33)
- Light & Color (38)
- Microscopes (14)
- Magnetism (38)
- Magnifiers (15)
- Physics (44)
- Porcelain (6)
- Posters (12)
- Robotics (28)
- Science Fair (4)
- Sound & Waves (6)
- STEM (26)
- Thames & Kosmos Science Kits (23)
- Thermometers (11)
- Weather & Climate (16)
Filters