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5SHEAVES
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
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From $7.50 /Unit
PSS_US
Dual unit spring scales with color-coded sizes., 0 to 2.5N, 5N, 10N, 20N
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Black Plastic Sheaves 40mm Set of 5
Create your own pulley system or even your own pulley with these versatile replacement sheaves.
Optics Experiment Set With Laser Ray Box
Introductory ray optics set with laser and optical elements.
Spring Scales / Newton Scales
Dual unit spring scales with color-coded sizes., 0 to 2.5N, 5N, 10N, 20N
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