Shell Corn Quickly with Cast Iron Sheller Skip tedious hand shelling. Our Cast Iron Corn Sheller quickly strips kernels from the cob, so you can shell big batches in less time. Save Time and Effort - Our Cast Iron Corn Sheller shells up to 10-15 bushels per hour. 10" flywheel pulley helps ease the effort needed to turn the handle. Non-electric sheller.. Shell Your Own Popcorn - It works great for shelling popcorn, plus seed corn and feed corn. It even hulls walnuts.. Use with a Box - Clamp the sheller to the vertical side of a box (you supply) - kernels drop into box, cobs rejected to side. Adjustable spring tension for all ear sizes.. Durable Cast Iron - Its cast iron construction may just remind you of vintage shellers from yesteryear. Super tough! 11-1/5"H.. Helpful Hint: This sheller can be used to hull walnuts as long as the husk is mature (turned from green to black) and ready to be removed. It will not shell the walnuts, only remove the outer husk if mature.