Glen Duzza Durrant 90% Generation 1 from Target Darts. These 90% Tungsten darts were designed to fit the 3 x World Champion Glen Durrant’s exact specifications. Featuring radial grooves and Glen Durrant’s signature Middlesbrough lion logo, this barrel offers excellent levels of grip and feel. Complete with intermediate Pro Grip black shaft and Glen Durrant’s signature Pro.Ultra flight in NO6.