NEW Urethane Hex Dumbbells - A world first in kilograms! New for 2020, our Urethane Hex Dumbbells built for commercial gyms and CrossFit Boxes are sleek, stylish and ergonomically designed to provide users with the ultimate workout experience. An alternative to Rubber Hex Dumbbells, this is the most durable Hex Dumbbell on the market. Why? Because Jordan has invested in a premium urethane coating which has a high resistance to oil and grease so as to withstand damage from intense use. Classic anti-roll design with a smooth, stylish aesthetic Urethane coating creates a protective barrier between floors and other equipment minimizing impact and scuff marks - No other coating provides such longevity and impact protection Great for a huge number of upper-body strength exercises including planks, rows, and push-ups (ideal for this anti-roll design) as well as standard dumbbell exercises including shoulder, chest press, and bicep curls Comfortable contoured handles are hard chromed for durability so they won\'t flake or peel Superior three-year warranty