Cintz Adjustable Dumbbells (4-22-Pound) Mild Steel dumbbell rod with bright Chrome finish (14.5" length x 28mm diameter) Rubberized dumbbell rod supplied with supporting bolts & Allen key Two, 4.2 lbs rubber weight plates, Four 2 lbs rubber weight plates, One,4.2 lbs Mild Steel rod and spring combination Can be arranged in a combination of 4.4 lbs, 8.8 lbs, 13.2 lbs, 17.6 lbs and 22 lbs