ISO-Grip 300 lbs International Set (Rubber) - Available as a set including a 7, 300 mm, 1000 lbs Test Bar. The set includes 2 each 45 lbs, 35 lbs, 25 lbs, 10 lbs, 2.5 lbs, and 4 - 5 lbs rubberplates, and one pair of spring collars.