Weight, 1 kg

For explaining the concept of pressure and for demonstrating the magnitude of air pressure, may also be used in demonstrating inertia
Nickel-plated steel cylinder with centre hole and clamping screw for fitting on steel rod, one end of the steel rod shaped as a cube with 1 cm² surface area,
cylinder: D=45 mm, H=77 mm, rod: D=10 mm, L=210 mm