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DBLST12This high quality set of 12 drilled balls is great for conducting all of your pendulum experiments.  Each set contains 2 each of brass, aluminum, steel, wood, cork, and copper balls.
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TPM03MThis versatile tape measure is perfect for a wide variety of applications. The bright yellow steel tape retracts with a simple push of a button.
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WSAL12Includes a 50g aluminum hanger and 12 aluminum weights, 9 x 20g, 1 x 10g, and 2 x 5g.
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SB1000-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB0100-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB2000-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB0250-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB3000-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB5000-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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SB0500-AConstructed of anodized aluminum, with steel hooks, this spring scale is extremely durable. Available in seven color-coded sizes.
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AWB100Weights are made of brass, with nickel plated surfaces. All weights are carefully tested and calibrated. Analytical Weight Box contains a total of 9 weights from 1 to 100 grams, in polished wooden box, with fractional weights, rider and forceps.
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ANBR01Mounted on a plastic base comes with a ring for easy hanging. Overall diameter is 7.5". Shipping weight is 1.4 lbs.