Read more Solid Cast Iron: The built-to-last kettlebell features high-quality solid cast-iron construction. Its durable design ensures safe, reliable performance from one workout to the next, so you can keep the focus on your in-the-zone routine. Sizes: 5-50 lbs, Single Everyday Essentials All-Purpose Solid Cast Iron Kettlebell Overview: Kettlebell exercises demand the use of multiple joints, which engages all the larger muscles of the body. Compound kettlebell moves burn calories faster than isolation moves, which only work one muscle. With its round ball-like profile and integrated loop handle, the kettlebell works as weight resistance and as a counter balance for a variety of upper- and lower-body exercises. Sold as singles Wide textured grip Solid cast iron Read more Solid Cast Iron Solid cast iron for long lasting. Flat Bottom Flat bottom for easy storage. Wide Handle Wide handle for easy exercise. Read more Overview: Kettlebell exercises demand the use of multiple joints, which engages all the larger muscles of the body. Compound kettlebell moves burn calories faster than isolation moves, which only work one muscle. With its round ball-like profile and integrated loop handle, the kettlebell works as weight resistance and as a counter balance for a variety of upper- and lower-body exercises. Solid Cast Iron: The built-to-last kettlebell features high-quality solid cast-iron construction. Its durable design ensures safe, reliable performance from one workout to the next, so you can keep the focus on your in-the-zone routine. Sizes: 5-50 lbs, Single AT A GLANCE: Sold as singles; Wide textured grip; Solid cast iron.