Ironmaster handles have a base weight of 10 lbs without any weights loaded. The smallest plates Ironmaster makes weigh 2.5 lbs, meaning the base weight with plates is 15 lbs. With increments of 2.5 and 5 lbs, the standard sets can go as heavy as 45 or 75 lbs. From there, you can expand to 120 and 165 lbs, making them some of the heaviest adjustable dumbbells on the market.