The Black Jack range is a sleek and menacing series for the advancing player. Anodised Aluminium with the tungsten look barrels feature precision black knurling for maximum grip and optimum control. The barrels are teamed with the very latest advances in shaft and flight technology. 18gK •Diameter 8.7mm •Length 56mm 20gK •Diameter 8.7mm •Length 56mm 22gK •Diameter 9.2mm •Length 56mm 24gK •Diameter 9.7mm •Length 56mm