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5SHEAVES52R
Grooved plastic sheave for light-duty shaft-mounted pulley systems.
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From $0.77 /unit
Plastic Pulleys On Metal Assembled Frames
Durable pulleys for testing and experimentation. Not for young children.
Red Plastic Pulley Sheaves, 52 mm
Grooved plastic sheave for light-duty shaft-mounted pulley systems.
Set of 10 Plastic Propellers
Includes durable propellers, varied sizes, STEM-friendly, colorful designs
Weight Mass & Density Cubes, Set Of 12 Metal And Non-Metal Cubes
Set of 12 metal and non-metal cubes for learning about density and
Weight Mass & Density Cubes, Set Of 12 Metal Cubes 10mm
Metal cubes for comparing density and physical properties.
Weight Mass & Density Cubes, Set Of 5 Non-Metal 20mm Cubes
Compare non-metal material density and properties.