About this item Premium quality, Lifeline Kettlebells are made with virgin iron ore, not scrap, and formed into a strong, balanced, single-piece casting with a flat wobble-free base. Made with a clean, consistent surface and durable powder-coat finish Available in: 4kg; 8kg; 12kg; 16kg; 20kg; 24kg; 28kg; 32kg; 36kg; 40kg; 44kg. Marked in KGs and LBs Premium Material: We start with high quality first run iron ore, not scrap Void Free Surface: We use a proprietary casting process that ensures each kettlebell has the highest quality and the best surface possible. This creates a smooth, comfortable handle and premium appearance Precision Casting: The Lifeline Kettlebell is cast in one solid piece, this results in a stronger, more durable handle. Precision casting creates kettlebells with no seams, burrs, welded handles or rough spots Wide Flat Machined Base: The base of our kettlebells is machined so it is flat. This eliminates wobble when on the floor Wide & Thick Diameter Handles: Wide handles with a larger diameter allow free flowing movements and comfortable grip. Handle thickness detailed below Finish: The Lifeline Kettlebell has a matte black powder coat finish that has a great feel and provides an excellent gripping surface in addition to being resistant to the chipping that can occur with standard enamel-coated kettlebells Colors: The handles have color coded stripes. This allows trainers and users to quickly and easily identify the different weight levels by sight