Get stronger, gain muscle and achieve the mass you want with the PowerBlock Elite EXP Stage 3 add on kit. Designed to expand the PowerBlock EXP 70 set from 70lbs (31.7kg) to 90lbs (40.8kg) per hand, it lets you increase strength, tone up your body and improve balance and coordination. The 90 pounds kit offers a compact, space-friendly design to ensure convenient storage and replaces 28 pairs of dumbbells. This sturdy, durable and practical kit adds 6 additional increments to 70lbs set. It is supplied as a pair.