Fat Gripz Extreme (outer diameter 7 cm).

Impressively thick and strong arms - Fat Gripz helps you build muscular, strong arms, the cornerstone of every impressive figure Scientifically proven effect - Fat Gripz are wrapped around the dumbbell to increase its diameter. Scientific research has shown that using a thicker dumbbell promotes more muscle activation in the arms, resulting in incredible increases in muscle size and strength Diese Fat Gripz Extremes (orange / Durchmesser 2,75 Zoll) sind eine weiter fortgeschrittene Version der originalen Fat Gripz (blau / Durchmesser 2,25 Zoll). We therefore strongly recommend you start with the original Fat Gripz (blue) and buy these Fat Gripz Extremes (orange) for gradual work up to advanced level - they are simply too big for most people to start right away TRAIN LIKE THE PROS - Fat Gripz are used by many people: NFL players / bodybuilding world champions / special forces soldiers / UFC fighters / Crossfit athletes / thousands of people from all over the world who train for bigger muscles and strength Specialised design and material that meets the military standard - Fat Gripz are the result of years of refinement of design and materials. They are almost indestructible and as tough as your most intense workout (beware of cheap copies that don't survive the gym!)