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
Compound bar, Copper and Iron, Weight (lb): 5.8,Length (in): 15.7,Width (in): 12.6,Height (in): 3.1, Comprising a bar of copper and iron each 200 x 15 mm, riveted together, For demonstrating the differential expansion of two metals
Mini Density cube set,Study Several ProPerties of Matter. Learn about density, mass, volume, buoynacy, sPecific gravity, and flotation while exPerimenting with real-world materials. Made from commonly used aluminum, coPPer, steel, brass, and zinc.