Adjustable Dumbbell Set - 30kgs Take control of your fitness right at home with the 30kg Dumbbells Set. Made by Randy & Travis Machinery, Australia's leader in quality sports and outdoor equipment, these dumbbells are just what you need to start or continue your fitness journey. Made from a durable plastic outer with cement filling, these weights are easy to slip on and off in order to customize your workout. You'll receive 8 x 2.5kg weights and 4 x 1.25kg weights. You'll also receive 4 easy to use screw collars to ensure your weights are securely in place. Get 'em, and get fit!