a comfortable grip improves balance and decreases forearm fatigue. Perhaps one of the most ergonomically accurate dumbbells available on the market, york’s pro style dumbbell functions a shortened, absolutely knurled 30mm stable metallic deal with-ensuing in less hand journey and top-quality manage. Smooth, non-metallic shoulders at both stop of the bar cradle the hand, ensuring a comfortable grip for improved comfort, balance, and reduction of hand fatigue because of over gripping. The dumbbell heads are comprised of strong metal inserts absolutely encased in virgin rubber. The solid steel deal with passes thru the metal insert and is welded, permanently joining the top to the deal with.