Experience a massively versatile workout with the Cortex 37.5kg Standard Cast Iron Dumbbell Set. Dumbbells with adjustable weight handles offer a huge variety of workouts. Use smaller weights to target specific muscles and stack on a heavy load to find huge compound workouts. Adding up to 40kg including the weight of the dumbbell handles, you'll be capable of some big lifts, but with plenty of specificity to find the perfect resistance.