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Measuring & Weighing CO2 Dragsters

“Stay steadfast and just keep working. Even if you have one failure, the next one might be a victory.”

– David Woodruff, Bradenton, FL


The quick and convenient way to check dragsters for TSA specifications. Use this gauge for measuring minimum and maximum requirements for front and rear wheel widths and diameters; body length, width, and height; and screw eye and axle position.

To ensure that your students use the current specifications when designing dragsters, check the TSA website .


Manual caliper has a vernier scale to accurately read measurements. The jaw measures inside and outside and has a depth gauge at one end. Durable construction with a tightening screw to hold the caliper in place. Measures up to 6" in 0.01" graduations.


Laden with smart features, the CJ300 Digital Scale combines precision weighing with compact, quality construction. The orange backlight and large LED display make it easy to read.

With the CJ300, you can weigh up to 300 grams in three different units: grams (0.1 g), pounds and ounces (0.01 oz), and pennyweight (0.1 dwt). Includes tare and zero functions as well as a handy counting feature. Comes with a clear scale cover that doubles as a bowl to use on the scale.

Operates on three AAA batteries (included).


This digital caliper can read inside, outside, step, and depth measurements in three different systems of measurement: fractions, inches, and millimeters. Features a high-contrast digital display and a rugged stainless steel construction. Comes with a padded case.

Specifications: Resolution: 0.0005". Accuracy: 0.0001". Repeatability: 0.0005". Operating temperature: 32-104°F. Storage temperature: 14-140°F.


Versatile and small, this pocket scale is extra-sensitive just like bigger and more expensive scales. Ideal for the lab or science classroom needing to weigh items for experiments and tests. Measures weights up to 500 grams (18 ounces) in 0.1 gram (0.005 ounce) increments and has counting, tare, and display hold features. Automatic shut-off ensures long battery life. Uses an included 9 V battery.


Designed for use in the lab, classroom, or office, this electronic balance is the perfect weight measurement tool for your dragsters or weight-related competitions. It is easy to operate and features a two-button operation, a high-contrast LCD display, multiple weighing units, and four application modes. This balance measures to the nearest 0.1 gram, with a capacity up to 400 grams.

Its slightly raised stainless steel platform means the large display can be viewed from any angle. With a sealed front panel and a molded spill ring, the balance is easy to keep clean. Change weight units with the touch of a button or use the weigh-below hook for specific gravity determination. Runs on four AA batteries, sold separately, or with the included AC power pack.


Whether for the science and technology lab or for the math class, this four-piece set easily tackles the job of fine measurement. Set includes a micrometer, 0-25 x 0.01 mm; a vernier caliper, 150 x 0.05 mm; a knife-edge square; and a steel, 150-millimeter ruler. Includes a durable storage case.


Let this professional-grade laboratory scale take on your weighty work.

With a 125-gram capacity and a resolution of 0.01 grams, the scale also has a removable stainless steel platform for easy cleanup. Includes tare and hold features. Measures in grams, ounces, grains, carats, pennyweights, or troy ounces. Runs on four AA batteries (included).


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