The rubber hex design provides a comfortable grip and prevents the dumbbells from rolling away, making them easy to use and store. The included rack keeps your dumbbells organized and off the floor, making it easy to find the right weight for your workout. With a durable construction and versatile weight range, this set is sure to help you reach your fitness goals. Includes 2 x 4kg Rubber Hex 2 x 5kg Rubber Hex 2 x 6kg Rubber Hex 2 x 7kg Rubber Hex 2 x 8kg Rubber Hex 2 x 9kg Rubber Hex 2 x 10kg Rubber Hex 2 x 12.5kg Rubber Hex 2 x 15kg Rubber Hex 4 Tier Dumbbell Rack Features One Piece forged steel construction Knurl handles for a firm grip Commercial Rubber Hex design Weight stamped for easy identification of dumbbell Compact Design Constructed from thick steel Anti-slip rubber feet