❀----Multiple Sizes: You can choose diversiform sizes of copper rod. (Dia:1-2in(25-50mm) ,Length:12in(300mm)).
❀----Quantity: 1 piece
❀----99.6% minimum zinc.
❀----Surface treatment can be carried out: electroplating, spraying, painting, polishing, grinding, etc.
❀----Excellent for physics classrooms. Metal cylinders have a wide range of educational applications for all grade levels, including density investigation, specific heat and specific gravity exploration