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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 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 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 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 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+.
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 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+.
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+.

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.
Refine
view allMain menu
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- ANSI Class 2 Products (15)
- ANSI Class 3 Products (6)
- ANSI Class E Products (4)
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- Buttons (5)
- Gloves (3)
- Hats & Caps (8)
- Helmets (2)
- Jackets (17)
- Pants (Reflective) (3)
- Pinnies (4)
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- Safety Patrol Belts (4)
- Safety Vests (40)
- Slip-Over Capes (3)
- T-Shirts (4)
- Winter Apparel (20)
- Women's Apparel (3)
-
- Aluminum Traffic Signs (Regular) (57)
- Aluminum Traffic Signs (Reflective) (51)
- Cone Top Sign Holder & Street Sign Sets (2)
- Crosswalk Signs (10)
- Floor & Sidewalk Signs (64)
- Impact Recovery System Signs (1)
- Maintenance Signs (3)
- Paddle & Wand Signs (9)
- Reversible Signs (9)
- School Bus Safety Signs (14)
- Sign Posts & Bases (0)
- Snap-On Cone Signs (15)
- Stop Signs (11)
- Wet Floor Signs & Cones (2)
-
- Astronomy (7)
- Biology (27)
- Books (18)
- Botany (8)
- Bunsen Burners (5)
- Chemistry (82)
- Dissecting Kits & Specimens (15)
- DVDs (30)
- Earth Science (53)
- Electricity (51)
- Glassware / Plasticware (49)
- K'Nex Technology Kits (1)
- Lab Equipment (14)
- Lab Stands & Accessories (15)
- Lab Tools (35)
- Lab Trays & Test Tube Racks (11)
- Life Science (30)
- Light & Color (28)
- Microscopes (15)
- Magnetism (29)
- Magnifiers (12)
- Physics (37)
- Porcelain (5)
- Posters (11)
- Robotics (2)
- Science Fair (4)
- Sound & Waves (5)
- STEM (2)
- Thames & Kosmos Science Kits (17)
- Thermometers (9)
- Weather & Climate (14)