Pulley, Single Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Specific Gravity Metal Cylinder Set Copper, Zinc, Aluminium And Steel, Four Different Metal Cylinders Each Measuring 38 mm Long X 10 mm In Diameter, Made Of Aluminium, Zinc, Copper And Steel.
Knife Switch, Single Pole - Single Throw, Durable Plastic Base Knife Switches That Stand Up During Tough Student Use. Poles & Knives Are Made Of Brass For Good Electrical Connections.
Lead-Free Density Blocks With Hooks, Ideal For Studying Density And Specific Heat Without Using Lead. A Block Of Brass, Copper, Aluminum, And Steel Are Included In The Kit Along With A Complete Instruction Manual, Density, Specific Gravity, And Specific Heat
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